MLB : Streaks above .500

All time
  1 New York Yankees         39 years - 1926..1964
  2 New York Yankees         27 years - 1993..2019
  3 Baltimore Orioles        18 years - 1968..1985
  4 Chicago White Sox        17 years - 1951..1967
  5 Boston Red Sox           16 years - 1967..1982
  6 Atlanta Braves           15 years - 1991..2005
  6 St. Louis Cardinals      15 years - 1939..1953
  8 Atlanta Braves           14 years - 1953..1966
  8 Boston Red Sox           14 years - 1998..2011
  8 Chicago Cubs             14 years - 1926..1939
  8 San Francisco Giants     14 years - 1958..1971
 12 Los Angeles Dodgers      13 years - 1945..1957
 12 Pittsburgh Pirates       13 years - 1918..1930
 14 Chicago Cubs             12 years - 1903..1914
 14 San Francisco Giants     12 years - 1903..1914
 14 St. Louis Cardinals      12 years - 2008..2019
 17 Detroit Tigers           11 years - 1978..1988
 17 Pittsburgh Pirates       11 years - 1903..1913
 17 Toronto Blue Jays        11 years - 1983..1993
 20 Boston Red Sox           10 years - 1909..1918
 20 Cincinnati Reds          10 years - 1972..1981
 20 Cleveland Indians        10 years - 1947..1956
 20 Los Angeles Dodgers      10 years - 1969..1978
 20 Philadelphia Phillies    10 years - 1975..1984
 20 Philadelphia Phillies    10 years - 2003..2012
 20 San Francisco Giants     10 years - 1916..1925




Current
  1 New York Yankees         27 years - 1993..2019
  2 St. Louis Cardinals      12 years - 2008..2019
  3 Los Angeles Dodgers       9 years - 2011..2019
  4 Washington Nationals      8 years - 2012..2019
  5 Cleveland Indians         7 years - 2013..2019
  6 Chicago Cubs              5 years - 2015..2019
  6 Houston Astros            5 years - 2015..2019
  8 Boston Red Sox            4 years - 2016..2019
  9 Arizona Diamondbacks      3 years - 2017..2019
  9 Milwaukee Brewers         3 years - 2017..2019
 11 Atlanta Braves            2 years - 2018..2019
 11 Oakland Athletics         2 years - 2018..2019
 11 Tampa Bay Rays            2 years - 2018..2019
 14 Minnesota Twins           1 year  - 2019      
 14 New York Mets             1 year  - 2019      
 14 Philadelphia Phillies     1 year  - 2019