MLB : Seattle Mariners : Winning/losing streaks against other franchises
 

    REGULAR SEASON AND PLAYOFF GAMES => Winning streaks => HOME AND AWAY GAMES : HOME GAMES : AWAY GAMES
                                         Losing streaks => HOME AND AWAY GAMES : HOME GAMES : AWAY GAMES
    REGULAR SEASON GAMES ONLY        => Winning streaks => HOME AND AWAY GAMES : HOME GAMES : AWAY GAMES
                                         Losing streaks => HOME AND AWAY GAMES : HOME GAMES : AWAY GAMES
    PLAYOFF GAMES ONLY               => Winning streaks => HOME AND AWAY GAMES : HOME GAMES : AWAY GAMES
                                         Losing streaks => HOME AND AWAY GAMES : HOME GAMES : AWAY GAMES

All time losing streaks (home and away), + shows games
   15  Boston Red Sox        1977/05/04 .. 1978/06/17  + -              WINNER              LOSER           
 A 1978/06/17 Boston Red Sox  5 - Seattle Mariners 4      
 A 1978/06/16 Boston Red Sox  6 - Seattle Mariners 3      
 H 1978/06/11 Boston Red Sox  5 - Seattle Mariners 3      
 H 1978/06/10 Boston Red Sox 13 - Seattle Mariners 1      
 H 1978/06/09 Boston Red Sox  3 - Seattle Mariners 2      
 A 1977/08/14 Boston Red Sox 11 - Seattle Mariners 1      
 A 1977/08/13 Boston Red Sox 13 - Seattle Mariners 6      
 A 1977/08/12 Boston Red Sox  7 - Seattle Mariners 2      
 H 1977/08/03 Boston Red Sox 12 - Seattle Mariners 4      
 H 1977/08/02 Boston Red Sox  3 - Seattle Mariners 2 (10) 
 H 1977/05/15 Boston Red Sox  5 - Seattle Mariners 4      
 H 1977/05/14 Boston Red Sox  8 - Seattle Mariners 4      
 H 1977/05/13 Boston Red Sox  7 - Seattle Mariners 5      
 A 1977/05/05 Boston Red Sox  5 - Seattle Mariners 2      
 A 1977/05/04 Boston Red Sox  5 - Seattle Mariners 2      
   15  Houston Astros        2019/06/06 .. 2020/07/25  + -              WINNER              LOSER           
 A 2020/07/25 Houston Astros  7 - Seattle Mariners 2      
 A 2020/07/24 Houston Astros  8 - Seattle Mariners 2      
 H 2019/09/25 Houston Astros  3 - Seattle Mariners 0      
 H 2019/09/24 Houston Astros  3 - Seattle Mariners 0      
 A 2019/09/08 Houston Astros 21 - Seattle Mariners 1      
 A 2019/09/07 Houston Astros  2 - Seattle Mariners 1      
 A 2019/09/06 Houston Astros  7 - Seattle Mariners 4      
 A 2019/09/05 Houston Astros 11 - Seattle Mariners 9 (13) 
 A 2019/08/04 Houston Astros  3 - Seattle Mariners 1      
 A 2019/08/03 Houston Astros  9 - Seattle Mariners 0      
 A 2019/08/02 Houston Astros 10 - Seattle Mariners 2      
 A 2019/06/30 Houston Astros  6 - Seattle Mariners 1      
 A 2019/06/29 Houston Astros  6 - Seattle Mariners 5 (10) 
 A 2019/06/28 Houston Astros  2 - Seattle Mariners 1 (10) 
 H 2019/06/06 Houston Astros  8 - Seattle Mariners 7 (14) 
   15  Oakland Athletics     2006/04/07 .. 2006/08/16  + -              WINNER                 LOSER           
 A 2006/08/16 Oakland Athletics  4 - Seattle Mariners 0  
 A 2006/08/15 Oakland Athletics 11 - Seattle Mariners 2  
 A 2006/08/14 Oakland Athletics  5 - Seattle Mariners 4  
 H 2006/08/06 Oakland Athletics  7 - Seattle Mariners 6  
 H 2006/08/05 Oakland Athletics  5 - Seattle Mariners 2  
 H 2006/08/04 Oakland Athletics  5 - Seattle Mariners 2  
 A 2006/06/15 Oakland Athletics  9 - Seattle Mariners 6  
 A 2006/06/14 Oakland Athletics  7 - Seattle Mariners 2  
 A 2006/06/13 Oakland Athletics  2 - Seattle Mariners 0  
 A 2006/05/18 Oakland Athletics  6 - Seattle Mariners 3  
 A 2006/05/17 Oakland Athletics  7 - Seattle Mariners 2  
 A 2006/05/16 Oakland Athletics 12 - Seattle Mariners 6  
 H 2006/04/09 Oakland Athletics  6 - Seattle Mariners 4  
 H 2006/04/08 Oakland Athletics  3 - Seattle Mariners 0  
 H 2006/04/07 Oakland Athletics  5 - Seattle Mariners 0  
   12  Kansas City Royals    1978/05/23 .. 1978/09/26  + -              WINNER                  LOSER           
 A 1978/09/26 Kansas City Royals  4 - Seattle Mariners 1      
 A 1978/09/25 Kansas City Royals  7 - Seattle Mariners 2      
 H 1978/09/19 Kansas City Royals  9 - Seattle Mariners 8      
 H 1978/09/18 Kansas City Royals  7 - Seattle Mariners 6 (11) 
 A 1978/07/27 Kansas City Royals  3 - Seattle Mariners 1      
 A 1978/07/26 Kansas City Royals 12 - Seattle Mariners 3      
 A 1978/06/01 Kansas City Royals 10 - Seattle Mariners 0      
 A 1978/05/31 Kansas City Royals  8 - Seattle Mariners 3      
 A 1978/05/29 Kansas City Royals  8 - Seattle Mariners 2      
 H 1978/05/25 Kansas City Royals  9 - Seattle Mariners 4      
 H 1978/05/24 Kansas City Royals  6 - Seattle Mariners 5      
 H 1978/05/23 Kansas City Royals  5 - Seattle Mariners 3      
   11  Detroit Tigers        1980/06/03 .. 1981/05/01  + -              WINNER             LOSER           
 H 1981/05/01 Detroit Tigers 7 - Seattle Mariners 3      
 H 1981/04/30 Detroit Tigers 2 - Seattle Mariners 0      
 A 1980/08/03 Detroit Tigers 4 - Seattle Mariners 3      
 A 1980/08/02 Detroit Tigers 9 - Seattle Mariners 3      
 A 1980/08/01 Detroit Tigers 5 - Seattle Mariners 2      
 A 1980/08/01 Detroit Tigers 1 - Seattle Mariners 0      
 H 1980/07/20 Detroit Tigers 5 - Seattle Mariners 2      
 H 1980/07/19 Detroit Tigers 5 - Seattle Mariners 3 (10) 
 H 1980/07/18 Detroit Tigers 5 - Seattle Mariners 3 (10) 
 A 1980/06/04 Detroit Tigers 8 - Seattle Mariners 2      
 A 1980/06/03 Detroit Tigers 4 - Seattle Mariners 2      
   11  Oakland Athletics     1992/06/22 .. 1992/09/18  + -              WINNER                 LOSER           
 H 1992/09/18 Oakland Athletics  7 - Seattle Mariners 4      
 A 1992/09/13 Oakland Athletics  3 - Seattle Mariners 1      
 A 1992/09/12 Oakland Athletics  5 - Seattle Mariners 4      
 A 1992/09/11 Oakland Athletics  4 - Seattle Mariners 3      
 A 1992/09/10 Oakland Athletics  6 - Seattle Mariners 4      
 H 1992/07/01 Oakland Athletics  3 - Seattle Mariners 1      
 H 1992/06/30 Oakland Athletics  4 - Seattle Mariners 2      
 H 1992/06/29 Oakland Athletics  5 - Seattle Mariners 4 (11) 
 A 1992/06/24 Oakland Athletics  7 - Seattle Mariners 2      
 A 1992/06/23 Oakland Athletics 12 - Seattle Mariners 7      
 A 1992/06/22 Oakland Athletics  7 - Seattle Mariners 2      
   11  Washington Nationals  2005/06/10 .. 2014/08/30  + -              WINNER                   LOSER           
 H 2014/08/30 Washington Nationals 3 - Seattle Mariners 1  
 H 2014/08/29 Washington Nationals 8 - Seattle Mariners 3  
 A 2011/06/23 Washington Nationals 1 - Seattle Mariners 0  
 A 2011/06/22 Washington Nationals 2 - Seattle Mariners 1  
 A 2011/06/21 Washington Nationals 6 - Seattle Mariners 5  
 H 2008/06/15 Washington Nationals 6 - Seattle Mariners 2  
 H 2008/06/14 Washington Nationals 5 - Seattle Mariners 2  
 H 2008/06/13 Washington Nationals 7 - Seattle Mariners 6  
 A 2005/06/12 Washington Nationals 3 - Seattle Mariners 2  
 A 2005/06/11 Washington Nationals 2 - Seattle Mariners 1  
 A 2005/06/10 Washington Nationals 9 - Seattle Mariners 3  
   10  Boston Red Sox        1991/08/30 .. 1992/05/20  + -              WINNER              LOSER           
 A 1992/05/20 Boston Red Sox  6 - Seattle Mariners  4      
 A 1992/05/19 Boston Red Sox  7 - Seattle Mariners  5      
 A 1992/05/18 Boston Red Sox  3 - Seattle Mariners  2      
 A 1991/09/08 Boston Red Sox 17 - Seattle Mariners  6      
 A 1991/09/07 Boston Red Sox 11 - Seattle Mariners 10      
 A 1991/09/06 Boston Red Sox  6 - Seattle Mariners  5      
 A 1991/09/05 Boston Red Sox  4 - Seattle Mariners  3 (10) 
 H 1991/09/01 Boston Red Sox 13 - Seattle Mariners  2      
 H 1991/08/31 Boston Red Sox  4 - Seattle Mariners  1      
 H 1991/08/30 Boston Red Sox  3 - Seattle Mariners  2      
   10  Oakland Athletics     1978/04/10 .. 1978/07/05  + -              WINNER                LOSER           
 H 1978/07/05 Oakland Athletics 5 - Seattle Mariners 3  
 H 1978/07/04 Oakland Athletics 9 - Seattle Mariners 4  
 H 1978/07/03 Oakland Athletics 5 - Seattle Mariners 3  
 H 1978/04/23 Oakland Athletics 5 - Seattle Mariners 0  
 H 1978/04/22 Oakland Athletics 3 - Seattle Mariners 0  
 H 1978/04/21 Oakland Athletics 5 - Seattle Mariners 3  
 A 1978/04/13 Oakland Athletics 3 - Seattle Mariners 1  
 A 1978/04/12 Oakland Athletics 4 - Seattle Mariners 3  
 A 1978/04/11 Oakland Athletics 2 - Seattle Mariners 0  
 A 1978/04/10 Oakland Athletics 1 - Seattle Mariners 0  
   10  Texas Rangers         1978/05/27 .. 1978/10/01  + -              WINNER             LOSER           
 H 1978/10/01 Texas Rangers  9 - Seattle Mariners 4  
 H 1978/09/30 Texas Rangers  4 - Seattle Mariners 1  
 H 1978/09/29 Texas Rangers 11 - Seattle Mariners 4  
 H 1978/09/28 Texas Rangers  4 - Seattle Mariners 3  
 A 1978/09/24 Texas Rangers  4 - Seattle Mariners 3  
 A 1978/09/24 Texas Rangers  5 - Seattle Mariners 3  
 A 1978/09/23 Texas Rangers  7 - Seattle Mariners 2  
 A 1978/09/22 Texas Rangers  1 - Seattle Mariners 0  
 A 1978/09/22 Texas Rangers 10 - Seattle Mariners 2  
 A 1978/05/27 Texas Rangers  3 - Seattle Mariners 2  
    9  Tampa Bay Rays        2011/07/31 .. 2012/07/20  + -              WINNER             LOSER           
 A 2012/07/20 Tampa Bay Rays 4 - Seattle Mariners 3 (14) 
 A 2012/05/03 Tampa Bay Rays 4 - Seattle Mariners 3      
 A 2012/05/02 Tampa Bay Rays 5 - Seattle Mariners 4      
 A 2012/05/01 Tampa Bay Rays 3 - Seattle Mariners 1      
 A 2012/04/30 Tampa Bay Rays 3 - Seattle Mariners 2 (12) 
 A 2011/08/21 Tampa Bay Rays 8 - Seattle Mariners 7      
 A 2011/08/20 Tampa Bay Rays 8 - Seattle Mariners 0      
 A 2011/08/19 Tampa Bay Rays 3 - Seattle Mariners 2      
 H 2011/07/31 Tampa Bay Rays 8 - Seattle Mariners 1      
    9  Toronto Blue Jays     1985/05/10 .. 1985/07/24  + -              WINNER                 LOSER           
 A 1985/07/24 Toronto Blue Jays  3 - Seattle Mariners 1      
 A 1985/07/23 Toronto Blue Jays  4 - Seattle Mariners 2      
 A 1985/07/22 Toronto Blue Jays  3 - Seattle Mariners 1      
 H 1985/07/10 Toronto Blue Jays 11 - Seattle Mariners 1      
 H 1985/07/09 Toronto Blue Jays  9 - Seattle Mariners 4 (13) 
 H 1985/07/08 Toronto Blue Jays  4 - Seattle Mariners 0      
 A 1985/05/12 Toronto Blue Jays  9 - Seattle Mariners 5      
 A 1985/05/11 Toronto Blue Jays  4 - Seattle Mariners 2      
 A 1985/05/10 Toronto Blue Jays  8 - Seattle Mariners 3      
    9  Chicago White Sox     1994/05/10 .. 1994/07/31  + -              WINNER                 LOSER           
 A 1994/07/31 Chicago White Sox  8 - Seattle Mariners 1  
 A 1994/07/30 Chicago White Sox  4 - Seattle Mariners 2  
 A 1994/07/29 Chicago White Sox  5 - Seattle Mariners 4  
 H 1994/06/26 Chicago White Sox  8 - Seattle Mariners 7  
 H 1994/06/25 Chicago White Sox  2 - Seattle Mariners 1  
 H 1994/06/24 Chicago White Sox  6 - Seattle Mariners 2  
 H 1994/06/23 Chicago White Sox 13 - Seattle Mariners 2  
 A 1994/05/11 Chicago White Sox 14 - Seattle Mariners 6  
 A 1994/05/10 Chicago White Sox 16 - Seattle Mariners 2  
    9  Chicago White Sox     1983/06/29 .. 1984/06/18  + -              WINNER                 LOSER           
 H 1984/06/18 Chicago White Sox  8 - Seattle Mariners 4     
 H 1983/10/02 Chicago White Sox  3 - Seattle Mariners 0     
 H 1983/10/01 Chicago White Sox  9 - Seattle Mariners 3     
 H 1983/09/30 Chicago White Sox  9 - Seattle Mariners 4     
 A 1983/09/18 Chicago White Sox  6 - Seattle Mariners 0     
 A 1983/09/17 Chicago White Sox  4 - Seattle Mariners 3     
 A 1983/09/16 Chicago White Sox  7 - Seattle Mariners 0     
 A 1983/09/15 Chicago White Sox 12 - Seattle Mariners 0 (7) 
 H 1983/06/29 Chicago White Sox  5 - Seattle Mariners 3     
    8  Baltimore Orioles     2012/07/03 .. 2012/09/19  + -              WINNER                 LOSER           
 H 2012/09/19 Baltimore Orioles  3 - Seattle Mariners 1 (11) 
 H 2012/09/18 Baltimore Orioles  4 - Seattle Mariners 2 (18) 
 H 2012/09/17 Baltimore Orioles 10 - Seattle Mariners 4      
 A 2012/08/08 Baltimore Orioles  9 - Seattle Mariners 2      
 A 2012/08/07 Baltimore Orioles  8 - Seattle Mariners 7 (14) 
 A 2012/08/06 Baltimore Orioles  3 - Seattle Mariners 1      
 H 2012/07/04 Baltimore Orioles  4 - Seattle Mariners 2      
 H 2012/07/03 Baltimore Orioles  5 - Seattle Mariners 4      
    8  Baltimore Orioles     2004/08/03 .. 2005/07/15  + -              WINNER                LOSER           
 H 2005/07/15 Baltimore Orioles 6 - Seattle Mariners 3  
 H 2005/07/14 Baltimore Orioles 5 - Seattle Mariners 3  
 A 2005/05/26 Baltimore Orioles 5 - Seattle Mariners 2  
 A 2005/05/25 Baltimore Orioles 3 - Seattle Mariners 1  
 A 2005/05/24 Baltimore Orioles 3 - Seattle Mariners 2  
 A 2004/08/04 Baltimore Orioles 6 - Seattle Mariners 3  
 A 2004/08/03 Baltimore Orioles 5 - Seattle Mariners 4  
 A 2004/08/03 Baltimore Orioles 9 - Seattle Mariners 7  
    8  Baltimore Orioles     1978/08/25 .. 1979/05/12  + -              WINNER                LOSER           
 A 1979/05/12 Baltimore Orioles 4 - Seattle Mariners 2      
 A 1979/05/11 Baltimore Orioles 8 - Seattle Mariners 3      
 H 1979/05/02 Baltimore Orioles 9 - Seattle Mariners 3      
 H 1979/05/01 Baltimore Orioles 3 - Seattle Mariners 1      
 H 1979/04/30 Baltimore Orioles 8 - Seattle Mariners 7 (10) 
 A 1978/08/27 Baltimore Orioles 4 - Seattle Mariners 3      
 A 1978/08/26 Baltimore Orioles 9 - Seattle Mariners 2      
 A 1978/08/25 Baltimore Orioles 5 - Seattle Mariners 0      
    8  Baltimore Orioles     1977/08/10 .. 1978/08/15  + -              WINNER                 LOSER           
 H 1978/08/15 Baltimore Orioles  7 - Seattle Mariners 4      
 A 1978/06/13 Baltimore Orioles  3 - Seattle Mariners 2 (11) 
 A 1978/06/12 Baltimore Orioles  5 - Seattle Mariners 4      
 H 1978/06/04 Baltimore Orioles  4 - Seattle Mariners 1      
 H 1978/06/03 Baltimore Orioles  2 - Seattle Mariners 1      
 H 1978/06/02 Baltimore Orioles 10 - Seattle Mariners 9      
 A 1977/08/11 Baltimore Orioles  4 - Seattle Mariners 3      
 A 1977/08/10 Baltimore Orioles  5 - Seattle Mariners 4      
    8  Cleveland Guardians   1986/09/26 .. 1987/06/13  + -              WINNER                 LOSER           
 H 1987/06/13 Cleveland Indians  6 - Seattle Mariners 1      
 H 1987/06/12 Cleveland Indians 10 - Seattle Mariners 6      
 A 1986/10/05 Cleveland Indians  4 - Seattle Mariners 2      
 A 1986/10/04 Cleveland Indians  6 - Seattle Mariners 5      
 A 1986/10/03 Cleveland Indians  6 - Seattle Mariners 5      
 H 1986/09/28 Cleveland Indians  5 - Seattle Mariners 4 (12) 
 H 1986/09/27 Cleveland Indians 12 - Seattle Mariners 4      
 H 1986/09/26 Cleveland Indians  9 - Seattle Mariners 7 (12) 
    8  Detroit Tigers        1992/07/05 .. 1993/04/18  + -              WINNER              LOSER           
 A 1993/04/18 Detroit Tigers  8 - Seattle Mariners 7      
 A 1993/04/17 Detroit Tigers 20 - Seattle Mariners 3      
 A 1993/04/16 Detroit Tigers  5 - Seattle Mariners 0      
 H 1992/07/22 Detroit Tigers  3 - Seattle Mariners 2      
 H 1992/07/21 Detroit Tigers  6 - Seattle Mariners 2      
 H 1992/07/20 Detroit Tigers  6 - Seattle Mariners 4      
 A 1992/07/06 Detroit Tigers  5 - Seattle Mariners 4 (14) 
 A 1992/07/05 Detroit Tigers  8 - Seattle Mariners 5      
    8  Los Angeles Angels    2010/05/29 .. 2010/07/17  + -              WINNER                  LOSER           
 A 2010/07/17 Los Angeles Angels  7 - Seattle Mariners 6      
 A 2010/07/16 Los Angeles Angels  3 - Seattle Mariners 2      
 A 2010/07/15 Los Angeles Angels  8 - Seattle Mariners 3      
 H 2010/06/06 Los Angeles Angels  9 - Seattle Mariners 4      
 H 2010/06/05 Los Angeles Angels 11 - Seattle Mariners 2      
 H 2010/06/04 Los Angeles Angels  7 - Seattle Mariners 1      
 A 2010/05/30 Los Angeles Angels  9 - Seattle Mariners 7      
 A 2010/05/29 Los Angeles Angels  5 - Seattle Mariners 1 (10) 
    8  Los Angeles Angels    1980/05/04 .. 1981/04/09  + -              WINNER                 LOSER           
 H 1981/04/09 California Angels  6 - Seattle Mariners 2      
 H 1980/08/14 California Angels  2 - Seattle Mariners 1      
 H 1980/08/13 California Angels 10 - Seattle Mariners 4 (10) 
 H 1980/08/12 California Angels  9 - Seattle Mariners 6      
 A 1980/08/06 California Angels  8 - Seattle Mariners 3      
 A 1980/08/05 California Angels  5 - Seattle Mariners 4      
 A 1980/08/04 California Angels  8 - Seattle Mariners 3      
 A 1980/05/04 California Angels  4 - Seattle Mariners 3      
    8  Milwaukee Brewers     1980/05/26 .. 1980/09/20  + -              WINNER                 LOSER           
 A 1980/09/20 Milwaukee Brewers  8 - Seattle Mariners 4  
 A 1980/09/19 Milwaukee Brewers  4 - Seattle Mariners 0  
 H 1980/09/14 Milwaukee Brewers  3 - Seattle Mariners 2  
 H 1980/09/13 Milwaukee Brewers  8 - Seattle Mariners 0  
 H 1980/09/12 Milwaukee Brewers  7 - Seattle Mariners 1  
 A 1980/05/28 Milwaukee Brewers  7 - Seattle Mariners 0  
 A 1980/05/27 Milwaukee Brewers  4 - Seattle Mariners 1  
 A 1980/05/26 Milwaukee Brewers 11 - Seattle Mariners 1  
    8  New York Yankees      2007/09/04 .. 2008/05/25  + -              WINNER                LOSER           
 A 2008/05/25 New York Yankees  6 - Seattle Mariners 5  
 A 2008/05/24 New York Yankees 12 - Seattle Mariners 6  
 A 2008/05/23 New York Yankees 13 - Seattle Mariners 2  
 A 2008/05/04 New York Yankees  8 - Seattle Mariners 2  
 A 2008/05/03 New York Yankees  6 - Seattle Mariners 1  
 A 2008/05/02 New York Yankees  5 - Seattle Mariners 1  
 A 2007/09/05 New York Yankees 10 - Seattle Mariners 2  
 A 2007/09/04 New York Yankees 12 - Seattle Mariners 3  
    8  New York Yankees      1999/05/09 .. 1999/08/29  + -              WINNER                LOSER           
 A 1999/08/29 New York Yankees 11 - Seattle Mariners 5  
 A 1999/08/28 New York Yankees  2 - Seattle Mariners 1  
 A 1999/08/27 New York Yankees  8 - Seattle Mariners 0  
 H 1999/08/08 New York Yankees  9 - Seattle Mariners 3  
 H 1999/08/07 New York Yankees  1 - Seattle Mariners 0  
 H 1999/08/06 New York Yankees 11 - Seattle Mariners 8  
 H 1999/08/05 New York Yankees  7 - Seattle Mariners 4  
 A 1999/05/09 New York Yankees  6 - Seattle Mariners 1  
    8  Texas Rangers         1980/09/27 .. 1981/05/24  + -              WINNER             LOSER           
 H 1981/05/24 Texas Rangers  5 - Seattle Mariners 3      
 H 1981/05/23 Texas Rangers  6 - Seattle Mariners 4 (12) 
 H 1981/05/22 Texas Rangers  6 - Seattle Mariners 2      
 A 1980/10/05 Texas Rangers  3 - Seattle Mariners 2      
 A 1980/10/04 Texas Rangers 11 - Seattle Mariners 6      
 A 1980/10/03 Texas Rangers  6 - Seattle Mariners 2      
 H 1980/09/28 Texas Rangers  4 - Seattle Mariners 1      
 H 1980/09/27 Texas Rangers  7 - Seattle Mariners 3      
    8  Chicago White Sox     2004/07/09 .. 2005/04/16  + -              WINNER                LOSER           
 A 2005/04/16 Chicago White Sox 2 - Seattle Mariners 1  
 A 2005/04/15 Chicago White Sox 6 - Seattle Mariners 4  
 A 2004/09/05 Chicago White Sox 6 - Seattle Mariners 2  
 A 2004/09/04 Chicago White Sox 8 - Seattle Mariners 7  
 A 2004/09/03 Chicago White Sox 7 - Seattle Mariners 5  
 A 2004/07/11 Chicago White Sox 4 - Seattle Mariners 3  
 A 2004/07/10 Chicago White Sox 3 - Seattle Mariners 2  
 A 2004/07/09 Chicago White Sox 6 - Seattle Mariners 2  
    7  Baltimore Orioles     1999/09/10 .. 2000/05/25  + -              WINNER                LOSER           
 A 2000/05/25 Baltimore Orioles 5 - Seattle Mariners 1      
 A 2000/05/24 Baltimore Orioles 4 - Seattle Mariners 3      
 A 2000/05/23 Baltimore Orioles 4 - Seattle Mariners 2      
 A 1999/09/13 Baltimore Orioles 5 - Seattle Mariners 4 (10) 
 A 1999/09/12 Baltimore Orioles 4 - Seattle Mariners 1      
 A 1999/09/11 Baltimore Orioles 4 - Seattle Mariners 2      
 A 1999/09/10 Baltimore Orioles 5 - Seattle Mariners 4 (12) 
    7  Boston Red Sox        2021/09/14 .. 2022/06/10  + -              WINNER              LOSER           
 H 2022/06/10 Boston Red Sox  4 - Seattle Mariners 3      
 A 2022/05/22 Boston Red Sox  8 - Seattle Mariners 4 (10) 
 A 2022/05/21 Boston Red Sox  6 - Seattle Mariners 5      
 A 2022/05/20 Boston Red Sox  7 - Seattle Mariners 3      
 A 2022/05/19 Boston Red Sox 12 - Seattle Mariners 6      
 H 2021/09/15 Boston Red Sox  9 - Seattle Mariners 4 (10) 
 H 2021/09/14 Boston Red Sox  8 - Seattle Mariners 4      
    7  Boston Red Sox        1978/08/28 .. 1979/05/05  + -              WINNER              LOSER           
 A 1979/05/05 Boston Red Sox 11 - Seattle Mariners 4      
 A 1979/05/04 Boston Red Sox  5 - Seattle Mariners 3      
 H 1979/04/26 Boston Red Sox  2 - Seattle Mariners 0      
 H 1979/04/25 Boston Red Sox  4 - Seattle Mariners 1      
 H 1979/04/24 Boston Red Sox  4 - Seattle Mariners 3 (12) 
 A 1978/08/29 Boston Red Sox 10 - Seattle Mariners 5      
 A 1978/08/28 Boston Red Sox 10 - Seattle Mariners 9      
    7  Chicago Cubs          2016/07/31 .. 2023/04/11  + -              WINNER            LOSER           
 A 2023/04/11 Chicago Cubs 14 - Seattle Mariners 9      
 A 2023/04/10 Chicago Cubs  3 - Seattle Mariners 2 (10) 
 A 2019/09/03 Chicago Cubs  6 - Seattle Mariners 1      
 A 2019/09/02 Chicago Cubs  5 - Seattle Mariners 1      
 H 2019/05/01 Chicago Cubs 11 - Seattle Mariners 0      
 H 2019/04/30 Chicago Cubs  6 - Seattle Mariners 5      
 A 2016/07/31 Chicago Cubs  7 - Seattle Mariners 6 (12) 
    7  Detroit Tigers        2005/09/24 .. 2006/07/08  + -              WINNER             LOSER           
 H 2006/07/08 Detroit Tigers 2 - Seattle Mariners 1  
 H 2006/07/07 Detroit Tigers 6 - Seattle Mariners 1  
 H 2006/04/23 Detroit Tigers 6 - Seattle Mariners 4  
 H 2006/04/22 Detroit Tigers 2 - Seattle Mariners 0  
 H 2006/04/21 Detroit Tigers 2 - Seattle Mariners 1  
 A 2005/09/25 Detroit Tigers 8 - Seattle Mariners 1  
 A 2005/09/24 Detroit Tigers 7 - Seattle Mariners 1  
    7  Los Angeles Angels    2006/07/03 .. 2006/08/20  + -              WINNER                  LOSER           
 A 2006/08/20 Los Angeles Angels  3 - Seattle Mariners 2  
 A 2006/08/19 Los Angeles Angels  9 - Seattle Mariners 7  
 A 2006/08/18 Los Angeles Angels  3 - Seattle Mariners 0  
 A 2006/08/17 Los Angeles Angels  5 - Seattle Mariners 2  
 H 2006/07/05 Los Angeles Angels  4 - Seattle Mariners 0  
 H 2006/07/04 Los Angeles Angels 14 - Seattle Mariners 6  
 H 2006/07/03 Los Angeles Angels  7 - Seattle Mariners 1  
    7  Los Angeles Angels    2003/09/23 .. 2004/04/14  + -              WINNER              LOSER           
 A 2004/04/14 Anaheim Angels  6 - Seattle Mariners 5      
 A 2004/04/13 Anaheim Angels  7 - Seattle Mariners 5      
 H 2004/04/08 Anaheim Angels  5 - Seattle Mariners 1      
 H 2004/04/07 Anaheim Angels 10 - Seattle Mariners 7      
 H 2004/04/06 Anaheim Angels 10 - Seattle Mariners 5      
 A 2003/09/24 Anaheim Angels  4 - Seattle Mariners 0      
 A 2003/09/23 Anaheim Angels  2 - Seattle Mariners 1 (11) 
    7  Minnesota Twins       1979/04/13 .. 1979/07/03  + -              WINNER               LOSER           
 A 1979/07/03 Minnesota Twins 12 - Seattle Mariners 2  
 A 1979/07/02 Minnesota Twins  7 - Seattle Mariners 0  
 A 1979/04/22 Minnesota Twins  3 - Seattle Mariners 1  
 A 1979/04/21 Minnesota Twins  6 - Seattle Mariners 5  
 H 1979/04/15 Minnesota Twins 18 - Seattle Mariners 6  
 H 1979/04/14 Minnesota Twins  6 - Seattle Mariners 5  
 H 1979/04/13 Minnesota Twins  8 - Seattle Mariners 2  
    7  New York Yankees      2017/08/26 .. 2018/09/08  + -              WINNER                LOSER           
 H 2018/09/08 New York Yankees  4 - Seattle Mariners 2  
 H 2018/09/07 New York Yankees  4 - Seattle Mariners 0  
 A 2018/06/21 New York Yankees  4 - Seattle Mariners 3  
 A 2018/06/20 New York Yankees  7 - Seattle Mariners 5  
 A 2018/06/19 New York Yankees  7 - Seattle Mariners 2  
 A 2017/08/27 New York Yankees 10 - Seattle Mariners 1  
 A 2017/08/26 New York Yankees  6 - Seattle Mariners 3  
    7  New York Yankees      2014/06/10 .. 2015/07/17  + -              WINNER               LOSER           
 A 2015/07/17 New York Yankees 4 - Seattle Mariners 3      
 H 2015/06/03 New York Yankees 3 - Seattle Mariners 1      
 H 2015/06/02 New York Yankees 5 - Seattle Mariners 3 (11) 
 H 2015/06/01 New York Yankees 7 - Seattle Mariners 2      
 H 2014/06/12 New York Yankees 6 - Seattle Mariners 3      
 H 2014/06/11 New York Yankees 4 - Seattle Mariners 2      
 H 2014/06/10 New York Yankees 3 - Seattle Mariners 2      
    7  New York Yankees      1990/08/07 .. 1991/05/03  + -              WINNER               LOSER           
 H 1991/05/03 New York Yankees 5 - Seattle Mariners 0  
 A 1990/08/19 New York Yankees 3 - Seattle Mariners 1  
 A 1990/08/18 New York Yankees 6 - Seattle Mariners 0  
 A 1990/08/17 New York Yankees 3 - Seattle Mariners 2  
 H 1990/08/09 New York Yankees 1 - Seattle Mariners 0  
 H 1990/08/08 New York Yankees 6 - Seattle Mariners 4  
 H 1990/08/07 New York Yankees 3 - Seattle Mariners 1  
    7  Oakland Athletics     2012/07/08 .. 2012/09/30  + -              WINNER                LOSER           
 A 2012/09/30 Oakland Athletics 5 - Seattle Mariners 2      
 A 2012/09/29 Oakland Athletics 7 - Seattle Mariners 4 (10) 
 A 2012/09/28 Oakland Athletics 8 - Seattle Mariners 2      
 H 2012/09/09 Oakland Athletics 4 - Seattle Mariners 2      
 H 2012/09/08 Oakland Athletics 6 - Seattle Mariners 1      
 H 2012/09/07 Oakland Athletics 6 - Seattle Mariners 1      
 A 2012/07/08 Oakland Athletics 2 - Seattle Mariners 1 (13) 
    7  San Diego Padres      2018/08/28 .. 2019/08/06  + -              WINNER               LOSER           
 H 2019/08/06 San Diego Padres 9 - Seattle Mariners 4  
 A 2019/04/24 San Diego Padres 1 - Seattle Mariners 0  
 A 2019/04/23 San Diego Padres 6 - Seattle Mariners 3  
 H 2018/09/12 San Diego Padres 5 - Seattle Mariners 4  
 H 2018/09/11 San Diego Padres 2 - Seattle Mariners 1  
 A 2018/08/29 San Diego Padres 8 - Seattle Mariners 3  
 A 2018/08/28 San Diego Padres 2 - Seattle Mariners 1  
    7  Texas Rangers         2023/05/10 .. 2023/09/24  + -              WINNER             LOSER           
 A 2023/09/24 Texas Rangers  9 - Seattle Mariners 8  
 A 2023/09/23 Texas Rangers  2 - Seattle Mariners 0  
 A 2023/09/22 Texas Rangers  8 - Seattle Mariners 5  
 A 2023/06/04 Texas Rangers 12 - Seattle Mariners 3  
 A 2023/06/03 Texas Rangers 16 - Seattle Mariners 6  
 A 2023/06/02 Texas Rangers  2 - Seattle Mariners 0  
 H 2023/05/10 Texas Rangers  4 - Seattle Mariners 3  
    7  Texas Rangers         2011/09/17 .. 2012/04/10  + -              WINNER             LOSER           
 A 2012/04/10 Texas Rangers  1 - Seattle Mariners 0  
 A 2012/04/09 Texas Rangers 11 - Seattle Mariners 5  
 A 2011/09/25 Texas Rangers 12 - Seattle Mariners 5  
 A 2011/09/24 Texas Rangers  7 - Seattle Mariners 3  
 A 2011/09/23 Texas Rangers  5 - Seattle Mariners 3  
 H 2011/09/18 Texas Rangers  3 - Seattle Mariners 0  
 H 2011/09/17 Texas Rangers  7 - Seattle Mariners 6  
    7  Texas Rangers         2004/04/23 .. 2004/06/28  + -              WINNER             LOSER           
 H 2004/06/28 Texas Rangers  8 - Seattle Mariners 5      
 A 2004/06/24 Texas Rangers  9 - Seattle Mariners 7 (18) 
 A 2004/06/23 Texas Rangers  6 - Seattle Mariners 3      
 A 2004/06/22 Texas Rangers 10 - Seattle Mariners 2      
 A 2004/04/25 Texas Rangers 14 - Seattle Mariners 6      
 A 2004/04/24 Texas Rangers  3 - Seattle Mariners 0      
 A 2004/04/23 Texas Rangers 10 - Seattle Mariners 8      
    7  Toronto Blue Jays     1987/06/02 .. 1987/09/06  + -              WINNER                LOSER           
 A 1987/09/06 Toronto Blue Jays 3 - Seattle Mariners 2 (11) 
 A 1987/09/05 Toronto Blue Jays 3 - Seattle Mariners 0      
 A 1987/09/04 Toronto Blue Jays 6 - Seattle Mariners 5 (10) 
 H 1987/08/25 Toronto Blue Jays 6 - Seattle Mariners 3      
 H 1987/08/24 Toronto Blue Jays 7 - Seattle Mariners 3      
 A 1987/06/03 Toronto Blue Jays 7 - Seattle Mariners 2      
 A 1987/06/02 Toronto Blue Jays 4 - Seattle Mariners 3      
    7  Chicago White Sox     2011/08/26 .. 2012/06/01  + -              WINNER                LOSER           
 A 2012/06/01 Chicago White Sox 7 - Seattle Mariners 4  
 H 2012/04/22 Chicago White Sox 7 - Seattle Mariners 4  
 H 2012/04/21 Chicago White Sox 4 - Seattle Mariners 0  
 H 2012/04/20 Chicago White Sox 7 - Seattle Mariners 3  
 H 2011/08/28 Chicago White Sox 9 - Seattle Mariners 3  
 H 2011/08/27 Chicago White Sox 3 - Seattle Mariners 0  
 H 2011/08/26 Chicago White Sox 4 - Seattle Mariners 2  
    7  Chicago White Sox     1982/09/27 .. 1983/06/27  + -              WINNER                LOSER           
 H 1983/06/27 Chicago White Sox 7 - Seattle Mariners 4  
 A 1983/06/22 Chicago White Sox 6 - Seattle Mariners 3  
 A 1983/06/21 Chicago White Sox 4 - Seattle Mariners 2  
 A 1983/06/20 Chicago White Sox 7 - Seattle Mariners 3  
 A 1982/09/29 Chicago White Sox 6 - Seattle Mariners 5  
 A 1982/09/28 Chicago White Sox 3 - Seattle Mariners 1  
 A 1982/09/27 Chicago White Sox 4 - Seattle Mariners 1  
    6  Boston Red Sox        2013/07/09 .. 2013/08/01  + -              WINNER              LOSER           
 A 2013/08/01 Boston Red Sox  8 - Seattle Mariners 7      
 A 2013/07/31 Boston Red Sox  5 - Seattle Mariners 4 (15) 
 A 2013/07/30 Boston Red Sox  8 - Seattle Mariners 2      
 H 2013/07/11 Boston Red Sox  8 - Seattle Mariners 7 (10) 
 H 2013/07/10 Boston Red Sox 11 - Seattle Mariners 4      
 H 2013/07/09 Boston Red Sox 11 - Seattle Mariners 8      
    6  Boston Red Sox        1986/04/29 .. 1986/07/04  + -              WINNER              LOSER           
 A 1986/07/04 Boston Red Sox  6 - Seattle Mariners 5  
 H 1986/05/08 Boston Red Sox  4 - Seattle Mariners 2  
 H 1986/05/07 Boston Red Sox 11 - Seattle Mariners 5  
 A 1986/05/01 Boston Red Sox 12 - Seattle Mariners 2  
 A 1986/04/30 Boston Red Sox  9 - Seattle Mariners 4  
 A 1986/04/29 Boston Red Sox  3 - Seattle Mariners 1  
    6  Cleveland Guardians   1999/06/19 .. 1999/08/22  + -              WINNER                 LOSER           
 H 1999/08/22 Cleveland Indians  7 - Seattle Mariners 4 (10) 
 H 1999/08/21 Cleveland Indians  6 - Seattle Mariners 0      
 H 1999/08/20 Cleveland Indians  7 - Seattle Mariners 4      
 A 1999/06/21 Cleveland Indians  4 - Seattle Mariners 3 (12) 
 A 1999/06/20 Cleveland Indians 13 - Seattle Mariners 5      
 A 1999/06/19 Cleveland Indians 10 - Seattle Mariners 6      
    6  Cleveland Guardians   1982/05/11 .. 1982/07/23  + -              WINNER                LOSER           
 A 1982/07/23 Cleveland Indians 4 - Seattle Mariners 3 (11) 
 H 1982/07/11 Cleveland Indians 4 - Seattle Mariners 3      
 H 1982/07/10 Cleveland Indians 7 - Seattle Mariners 1      
 H 1982/07/09 Cleveland Indians 7 - Seattle Mariners 4      
 H 1982/05/12 Cleveland Indians 8 - Seattle Mariners 5      
 H 1982/05/11 Cleveland Indians 5 - Seattle Mariners 4 (14) 
    6  Cleveland Guardians   1977/08/27 .. 1978/05/10  + -              WINNER                 LOSER           
 A 1978/05/10 Cleveland Indians  6 - Seattle Mariners 1  
 A 1978/05/09 Cleveland Indians  5 - Seattle Mariners 4  
 H 1978/05/03 Cleveland Indians 10 - Seattle Mariners 5  
 H 1978/05/02 Cleveland Indians  4 - Seattle Mariners 1  
 A 1977/08/28 Cleveland Indians 10 - Seattle Mariners 6  
 A 1977/08/27 Cleveland Indians 10 - Seattle Mariners 0  
    6  Detroit Tigers        1987/07/03 .. 1987/07/18  + -              WINNER              LOSER           
 A 1987/07/18 Detroit Tigers 10 - Seattle Mariners 6  
 A 1987/07/17 Detroit Tigers  7 - Seattle Mariners 0  
 A 1987/07/16 Detroit Tigers  3 - Seattle Mariners 2  
 H 1987/07/05 Detroit Tigers  7 - Seattle Mariners 5  
 H 1987/07/04 Detroit Tigers  7 - Seattle Mariners 3  
 H 1987/07/03 Detroit Tigers  5 - Seattle Mariners 2  
    6  Houston Astros        2017/09/04 .. 2017/09/17  + -              WINNER             LOSER           
 A 2017/09/17 Houston Astros 7 - Seattle Mariners 1  
 A 2017/09/16 Houston Astros 8 - Seattle Mariners 6  
 A 2017/09/15 Houston Astros 5 - Seattle Mariners 2  
 H 2017/09/06 Houston Astros 5 - Seattle Mariners 3  
 H 2017/09/05 Houston Astros 3 - Seattle Mariners 1  
 H 2017/09/04 Houston Astros 6 - Seattle Mariners 2  
    6  Houston Astros        2013/09/01 .. 2014/04/22  + -              WINNER              LOSER           
 H 2014/04/22 Houston Astros  5 - Seattle Mariners 2  
 H 2014/04/21 Houston Astros  7 - Seattle Mariners 2  
 H 2013/09/11 Houston Astros  6 - Seattle Mariners 1  
 H 2013/09/10 Houston Astros 13 - Seattle Mariners 2  
 H 2013/09/09 Houston Astros  6 - Seattle Mariners 4  
 A 2013/09/01 Houston Astros  2 - Seattle Mariners 0  
    6  Kansas City Royals    2008/09/15 .. 2009/05/07  + -              WINNER                  LOSER           
 A 2009/05/07 Kansas City Royals  3 - Seattle Mariners 1  
 A 2009/05/06 Kansas City Royals  9 - Seattle Mariners 1  
 A 2008/09/18 Kansas City Royals 12 - Seattle Mariners 0  
 A 2008/09/17 Kansas City Royals  5 - Seattle Mariners 2  
 A 2008/09/16 Kansas City Royals  6 - Seattle Mariners 3  
 A 2008/09/15 Kansas City Royals  3 - Seattle Mariners 0  
    6  Kansas City Royals    1989/06/28 .. 1989/09/22  + -              WINNER                  LOSER           
 A 1989/09/22 Kansas City Royals  9 - Seattle Mariners 2  
 H 1989/08/20 Kansas City Royals  5 - Seattle Mariners 4  
 H 1989/08/19 Kansas City Royals 13 - Seattle Mariners 5  
 H 1989/08/18 Kansas City Royals  3 - Seattle Mariners 1  
 H 1989/08/17 Kansas City Royals  4 - Seattle Mariners 2  
 A 1989/06/28 Kansas City Royals 12 - Seattle Mariners 7  
    6  Kansas City Royals    1987/09/29 .. 1988/06/05  + -              WINNER                 LOSER           
 A 1988/06/05 Kansas City Royals 7 - Seattle Mariners 3  
 A 1988/06/04 Kansas City Royals 4 - Seattle Mariners 3  
 A 1988/06/03 Kansas City Royals 3 - Seattle Mariners 1  
 A 1988/06/02 Kansas City Royals 3 - Seattle Mariners 0  
 A 1987/09/30 Kansas City Royals 7 - Seattle Mariners 3  
 A 1987/09/29 Kansas City Royals 6 - Seattle Mariners 3  
    6  Los Angeles Dodgers   2021/04/20 .. 2023/09/17  + -              WINNER                  LOSER           
 H 2023/09/17 Los Angeles Dodgers 6 - Seattle Mariners 1      
 H 2023/09/16 Los Angeles Dodgers 6 - Seattle Mariners 2 (11) 
 H 2023/09/15 Los Angeles Dodgers 6 - Seattle Mariners 3      
 A 2021/05/12 Los Angeles Dodgers 7 - Seattle Mariners 1      
 A 2021/05/11 Los Angeles Dodgers 6 - Seattle Mariners 4      
 H 2021/04/20 Los Angeles Dodgers 1 - Seattle Mariners 0      
    6  Los Angeles Dodgers   2012/06/09 .. 2018/08/17  + -              WINNER                   LOSER           
 H 2018/08/17 Los Angeles Dodgers 11 - Seattle Mariners 1      
 A 2015/04/15 Los Angeles Dodgers  5 - Seattle Mariners 2      
 A 2015/04/14 Los Angeles Dodgers  6 - Seattle Mariners 5      
 A 2015/04/13 Los Angeles Dodgers  6 - Seattle Mariners 5 (10) 
 H 2012/06/10 Los Angeles Dodgers  8 - Seattle Mariners 2      
 H 2012/06/09 Los Angeles Dodgers  8 - Seattle Mariners 3      
    6  Los Angeles Dodgers   1998/06/06 .. 2000/07/07  + -              WINNER                   LOSER           
 H 2000/07/07 Los Angeles Dodgers  3 - Seattle Mariners 2 (11) 
 A 1999/07/11 Los Angeles Dodgers 14 - Seattle Mariners 3      
 A 1999/07/10 Los Angeles Dodgers  2 - Seattle Mariners 1      
 A 1999/07/09 Los Angeles Dodgers  5 - Seattle Mariners 0      
 H 1998/06/07 Los Angeles Dodgers  7 - Seattle Mariners 4      
 H 1998/06/06 Los Angeles Dodgers 10 - Seattle Mariners 6      
    6  Los Angeles Angels    1997/09/24 .. 1998/06/18  + -              WINNER              LOSER           
 A 1998/06/18 Anaheim Angels 11 - Seattle Mariners 5  
 A 1998/06/17 Anaheim Angels  4 - Seattle Mariners 2  
 A 1998/06/16 Anaheim Angels  3 - Seattle Mariners 2  
 H 1998/06/04 Anaheim Angels  6 - Seattle Mariners 2  
 H 1998/06/03 Anaheim Angels  8 - Seattle Mariners 1  
 H 1997/09/24 Anaheim Angels  9 - Seattle Mariners 3  
    6  Los Angeles Angels    1986/08/07 .. 1987/04/08  + -              WINNER                LOSER           
 A 1987/04/08 California Angels 7 - Seattle Mariners 1      
 A 1987/04/07 California Angels 7 - Seattle Mariners 1      
 A 1986/08/10 California Angels 4 - Seattle Mariners 0      
 A 1986/08/09 California Angels 5 - Seattle Mariners 0      
 A 1986/08/08 California Angels 6 - Seattle Mariners 4      
 A 1986/08/07 California Angels 4 - Seattle Mariners 3 (11) 
    6  Los Angeles Angels    1985/04/21 .. 1985/08/05  + -              WINNER                 LOSER           
 A 1985/08/05 California Angels  3 - Seattle Mariners 1  
 H 1985/04/28 California Angels  2 - Seattle Mariners 1  
 H 1985/04/27 California Angels  6 - Seattle Mariners 1  
 H 1985/04/26 California Angels 11 - Seattle Mariners 3  
 H 1985/04/25 California Angels  3 - Seattle Mariners 0  
 A 1985/04/21 California Angels  9 - Seattle Mariners 2  
    6  Milwaukee Brewers     1992/06/13 .. 1992/09/29  + -              WINNER                 LOSER           
 H 1992/09/29 Milwaukee Brewers  7 - Seattle Mariners 4  
 A 1992/08/06 Milwaukee Brewers  4 - Seattle Mariners 2  
 A 1992/08/05 Milwaukee Brewers  8 - Seattle Mariners 1  
 A 1992/08/04 Milwaukee Brewers  5 - Seattle Mariners 2  
 H 1992/06/14 Milwaukee Brewers 14 - Seattle Mariners 4  
 H 1992/06/13 Milwaukee Brewers  8 - Seattle Mariners 7  
    6  Milwaukee Brewers     1979/06/30 .. 1979/09/25  + -              WINNER                 LOSER           
 A 1979/09/25 Milwaukee Brewers  7 - Seattle Mariners 6  
 H 1979/09/19 Milwaukee Brewers 12 - Seattle Mariners 1  
 H 1979/09/18 Milwaukee Brewers  7 - Seattle Mariners 6  
 H 1979/09/17 Milwaukee Brewers  7 - Seattle Mariners 6  
 A 1979/07/01 Milwaukee Brewers 10 - Seattle Mariners 3  
 A 1979/06/30 Milwaukee Brewers  8 - Seattle Mariners 1  
    6  Minnesota Twins       1987/08/14 .. 1988/06/10  + -              WINNER               LOSER           
 H 1988/06/10 Minnesota Twins  3 - Seattle Mariners 1  
 H 1988/06/09 Minnesota Twins  7 - Seattle Mariners 5  
 A 1987/08/17 Minnesota Twins  4 - Seattle Mariners 2  
 A 1987/08/16 Minnesota Twins  5 - Seattle Mariners 1  
 A 1987/08/15 Minnesota Twins 14 - Seattle Mariners 4  
 A 1987/08/14 Minnesota Twins  6 - Seattle Mariners 3  
    6  New York Yankees      2019/05/09 .. 2021/07/07  + -              WINNER                LOSER           
 H 2021/07/07 New York Yankees  5 - Seattle Mariners 4  
 H 2021/07/06 New York Yankees 12 - Seattle Mariners 1  
 H 2019/08/28 New York Yankees  7 - Seattle Mariners 3  
 H 2019/08/27 New York Yankees  7 - Seattle Mariners 0  
 H 2019/08/26 New York Yankees  5 - Seattle Mariners 4  
 A 2019/05/09 New York Yankees  3 - Seattle Mariners 1  
    6  New York Yankees      1998/04/07 .. 1998/08/01  + -              WINNER                LOSER           
 H 1998/08/01 New York Yankees  5 - Seattle Mariners 2      
 H 1998/07/31 New York Yankees  5 - Seattle Mariners 3      
 A 1998/04/30 New York Yankees  9 - Seattle Mariners 8 (10) 
 A 1998/04/29 New York Yankees  8 - Seattle Mariners 5      
 H 1998/04/08 New York Yankees  4 - Seattle Mariners 3      
 H 1998/04/07 New York Yankees 13 - Seattle Mariners 7      
    6  New York Yankees      1993/04/24 .. 1993/07/05  + -              WINNER                LOSER           
 H 1993/07/05 New York Yankees  6 - Seattle Mariners 3      
 A 1993/05/02 New York Yankees  3 - Seattle Mariners 2 (10) 
 A 1993/05/01 New York Yankees  6 - Seattle Mariners 2      
 A 1993/04/30 New York Yankees  3 - Seattle Mariners 0      
 H 1993/04/25 New York Yankees 10 - Seattle Mariners 9      
 H 1993/04/24 New York Yankees  1 - Seattle Mariners 0 (11) 
    6  New York Yankees      1985/08/23 .. 1985/09/04  + -              WINNER               LOSER           
 A 1985/09/04 New York Yankees 4 - Seattle Mariners 3  
 A 1985/09/03 New York Yankees 6 - Seattle Mariners 3  
 A 1985/09/02 New York Yankees 8 - Seattle Mariners 7  
 H 1985/08/25 New York Yankees 8 - Seattle Mariners 5  
 H 1985/08/24 New York Yankees 4 - Seattle Mariners 3  
 H 1985/08/23 New York Yankees 3 - Seattle Mariners 1  
    6  New York Yankees      1983/06/06 .. 1983/09/04  + -              WINNER               LOSER           
 H 1983/09/04 New York Yankees 4 - Seattle Mariners 3  
 H 1983/09/03 New York Yankees 5 - Seattle Mariners 3  
 H 1983/09/02 New York Yankees 5 - Seattle Mariners 4  
 A 1983/08/25 New York Yankees 7 - Seattle Mariners 4  
 A 1983/08/24 New York Yankees 6 - Seattle Mariners 3  
 A 1983/06/06 New York Yankees 6 - Seattle Mariners 2  
    6  Texas Rangers         2011/07/14 .. 2011/08/09  + -              WINNER            LOSER           
 A 2011/08/09 Texas Rangers 7 - Seattle Mariners 6  
 A 2011/08/08 Texas Rangers 9 - Seattle Mariners 2  
 H 2011/07/17 Texas Rangers 3 - Seattle Mariners 1  
 H 2011/07/16 Texas Rangers 5 - Seattle Mariners 1  
 H 2011/07/15 Texas Rangers 4 - Seattle Mariners 0  
 H 2011/07/14 Texas Rangers 5 - Seattle Mariners 0  
    6  Texas Rangers         2005/09/15 .. 2005/09/28  + -              WINNER            LOSER           
 H 2005/09/28 Texas Rangers 7 - Seattle Mariners 3      
 H 2005/09/27 Texas Rangers 3 - Seattle Mariners 2 (11) 
 A 2005/09/18 Texas Rangers 8 - Seattle Mariners 6      
 A 2005/09/17 Texas Rangers 7 - Seattle Mariners 6      
 A 2005/09/16 Texas Rangers 5 - Seattle Mariners 3      
 A 2005/09/15 Texas Rangers 4 - Seattle Mariners 3      
    6  Texas Rangers         1985/09/29 .. 1986/06/26  + -              WINNER             LOSER           
 H 1986/06/26 Texas Rangers 10 - Seattle Mariners 3      
 A 1986/06/08 Texas Rangers  5 - Seattle Mariners 4 (10) 
 A 1986/06/07 Texas Rangers  3 - Seattle Mariners 2      
 A 1986/06/07 Texas Rangers  7 - Seattle Mariners 5      
 A 1986/06/06 Texas Rangers  6 - Seattle Mariners 5 (10) 
 H 1985/09/29 Texas Rangers  5 - Seattle Mariners 2      
    6  Toronto Blue Jays     1991/06/29 .. 1991/07/07  + -              WINNER                LOSER           
 H 1991/07/07 Toronto Blue Jays 5 - Seattle Mariners 2      
 H 1991/07/06 Toronto Blue Jays 4 - Seattle Mariners 3 (10) 
 H 1991/07/05 Toronto Blue Jays 2 - Seattle Mariners 1      
 A 1991/07/01 Toronto Blue Jays 4 - Seattle Mariners 3      
 A 1991/06/30 Toronto Blue Jays 6 - Seattle Mariners 1      
 A 1991/06/29 Toronto Blue Jays 4 - Seattle Mariners 0      
    6  Toronto Blue Jays     1982/09/26 .. 1983/06/24  + -              WINNER                LOSER           
 H 1983/06/24 Toronto Blue Jays 4 - Seattle Mariners 2  
 H 1983/06/23 Toronto Blue Jays 5 - Seattle Mariners 4  
 A 1982/10/03 Toronto Blue Jays 5 - Seattle Mariners 2  
 A 1982/10/02 Toronto Blue Jays 3 - Seattle Mariners 0  
 A 1982/10/01 Toronto Blue Jays 2 - Seattle Mariners 0  
 H 1982/09/26 Toronto Blue Jays 6 - Seattle Mariners 2  
    6  Chicago White Sox     1993/06/26 .. 1993/09/27  + -              WINNER                 LOSER           
 A 1993/09/27 Chicago White Sox  4 - Seattle Mariners  2      
 H 1993/08/01 Chicago White Sox  4 - Seattle Mariners  0      
 H 1993/07/31 Chicago White Sox 13 - Seattle Mariners 10      
 H 1993/07/30 Chicago White Sox  6 - Seattle Mariners  4 (10) 
 A 1993/06/27 Chicago White Sox  6 - Seattle Mariners  4      
 A 1993/06/26 Chicago White Sox  7 - Seattle Mariners  4      
    6  Chicago White Sox     1988/07/25 .. 1988/08/13  + -              WINNER                LOSER           
 H 1988/08/13 Chicago White Sox 7 - Seattle Mariners 4      
 H 1988/08/12 Chicago White Sox 7 - Seattle Mariners 2      
 H 1988/08/11 Chicago White Sox 4 - Seattle Mariners 3      
 A 1988/07/27 Chicago White Sox 6 - Seattle Mariners 1      
 A 1988/07/26 Chicago White Sox 1 - Seattle Mariners 0 (11) 
 A 1988/07/25 Chicago White Sox 6 - Seattle Mariners 5      
    6  Chicago White Sox     1977/07/04 .. 1977/09/22  + -              WINNER                 LOSER           
 H 1977/09/22 Chicago White Sox  5 - Seattle Mariners 4  
 A 1977/08/09 Chicago White Sox 13 - Seattle Mariners 3  
 A 1977/08/08 Chicago White Sox  5 - Seattle Mariners 4  
 H 1977/07/06 Chicago White Sox  4 - Seattle Mariners 2  
 H 1977/07/05 Chicago White Sox  4 - Seattle Mariners 1  
 H 1977/07/04 Chicago White Sox  6 - Seattle Mariners 2  
Current losing streaks (home and away), + shows games
    6  Los Angeles Dodgers    2021/04/20 .. 2023/09/17  + -              WINNER                  LOSER           
 H 2023/09/17 Los Angeles Dodgers 6 - Seattle Mariners 1      
 H 2023/09/16 Los Angeles Dodgers 6 - Seattle Mariners 2 (11) 
 H 2023/09/15 Los Angeles Dodgers 6 - Seattle Mariners 3      
 A 2021/05/12 Los Angeles Dodgers 7 - Seattle Mariners 1      
 A 2021/05/11 Los Angeles Dodgers 6 - Seattle Mariners 4      
 H 2021/04/20 Los Angeles Dodgers 1 - Seattle Mariners 0      
    4  Milwaukee Brewers      2019/06/27 .. 2023/04/19  + -              WINNER                LOSER           
 H 2023/04/19 Milwaukee Brewers 5 - Seattle Mariners 3      
 H 2023/04/18 Milwaukee Brewers 6 - Seattle Mariners 5 (11) 
 H 2023/04/17 Milwaukee Brewers 7 - Seattle Mariners 3      
 A 2019/06/27 Milwaukee Brewers 4 - Seattle Mariners 2      
    3  Tampa Bay Rays         2023/09/08 .. 2023/09/10  + -              WINNER             LOSER           
 A 2023/09/10 Tampa Bay Rays 6 - Seattle Mariners 3  
 A 2023/09/09 Tampa Bay Rays 7 - Seattle Mariners 5  
 A 2023/09/08 Tampa Bay Rays 7 - Seattle Mariners 4  
    2  Baltimore Orioles      2023/08/12 .. 2023/08/13  + -              WINNER                LOSER           
 H 2023/08/13 Baltimore Orioles 5 - Seattle Mariners 3 (10) 
 H 2023/08/12 Baltimore Orioles 1 - Seattle Mariners 0 (10) 
    2  Philadelphia Phillies  2023/04/26 .. 2023/04/27  + -              WINNER                    LOSER           
 A 2023/04/27 Philadelphia Phillies 1 - Seattle Mariners 0  
 A 2023/04/26 Philadelphia Phillies 6 - Seattle Mariners 5  
    2  Washington Nationals   2023/06/27 .. 2023/06/28  + -              WINNER                   LOSER           
 H 2023/06/28 Washington Nationals 4 - Seattle Mariners 1      
 H 2023/06/27 Washington Nationals 7 - Seattle Mariners 4 (11) 
    1  Atlanta Braves         2023/05/21                + -              WINNER             LOSER           
 A 2023/05/21 Atlanta Braves 3 - Seattle Mariners 2  
    1  Cleveland Guardians    2023/04/09                + -              WINNER                  LOSER           
 A 2023/04/09 Cleveland Guardians 7 - Seattle Mariners 6 (12) 
    1  Houston Astros         2023/09/27                + -              WINNER             LOSER           
 H 2023/09/27 Houston Astros 8 - Seattle Mariners 3  
    1  Miami Marlins          2023/06/14                + -              WINNER            LOSER           
 H 2023/06/14 Miami Marlins 4 - Seattle Mariners 1  
    1  New York Mets          2023/09/03                + -              WINNER            LOSER           
 A 2023/09/03 New York Mets 6 - Seattle Mariners 3  
    1  San Francisco Giants   2023/07/05                + -              WINNER                   LOSER           
 A 2023/07/05 San Francisco Giants 2 - Seattle Mariners 0  
    1  St. Louis Cardinals    2023/04/23                + -              WINNER                  LOSER           
 H 2023/04/23 St. Louis Cardinals 7 - Seattle Mariners 3  
    1  Toronto Blue Jays      2023/07/23                + -              WINNER                LOSER           
 H 2023/07/23 Toronto Blue Jays 4 - Seattle Mariners 3  
    1  Chicago White Sox      2023/08/23                + -              WINNER                LOSER           
 A 2023/08/23 Chicago White Sox 5 - Seattle Mariners 4 (10) 
Last updated: March 25, 2024
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