Biggest improvements from one season to the
next (based on regular season win percentage):
Change in
Franchise win %
1 Arizona Diamondbacks 1998 -> 1999 21.6 (40.1 -> 61.7)
2 Boston Red Sox 1945 -> 1946 21.4 (46.1 -> 67.5)
3 Atlanta Braves 1935 -> 1936 21.3 (24.8 -> 46.1)
4 Philadelphia Phillies 1904 -> 1905 20.4 (34.2 -> 54.6)
5 Baltimore Orioles 1988 -> 1989 20.2 (33.5 -> 53.7)
6 Philadelphia Phillies 1961 -> 1962 19.8 (30.5 -> 50.3)
7 San Francisco Giants 1992 -> 1993 19.2 (44.4 -> 63.6)
7 Tampa Bay Rays 2007 -> 2008 19.2 (40.7 -> 59.9)
9 Baltimore Orioles 2021 -> 2022 19.1 (32.1 -> 51.2)
10 Pittsburgh Pirates 1917 -> 1918 18.9 (33.1 -> 52.0)
10 St. Louis Cardinals 1913 -> 1914 18.9 (34.0 -> 52.9)
12 Oakland Athletics 1946 -> 1947 18.8 (31.8 -> 50.6)
13 San Diego Padres 2019 -> 2020 18.5 (43.2 -> 61.7)
14 Cincinnati Reds 1937 -> 1938 18.3 (36.4 -> 54.7)
14 Minnesota Twins 1911 -> 1912 18.3 (41.6 -> 59.9)
16 Boston Red Sox 1911 -> 1912 18.1 (51.0 -> 69.1)
16 Philadelphia Phillies 1928 -> 1929 18.1 (28.3 -> 46.4)
18 Arizona Diamondbacks 2010 -> 2011 17.9 (40.1 -> 58.0)
18 Atlanta Braves 1952 -> 1953 17.9 (41.8 -> 59.7)
18 Atlanta Braves 1990 -> 1991 17.9 (40.1 -> 58.0)
18 Detroit Tigers 2003 -> 2004 17.9 (26.5 -> 44.4)
18 Oakland Athletics 1979 -> 1980 17.9 (33.3 -> 51.2)
23 Oakland Athletics 1908 -> 1909 17.7 (44.4 -> 62.1)
23 San Francisco Giants 2020 -> 2021 17.7 (48.3 -> 66.0)
25 Chicago Cubs 1966 -> 1967 17.6 (36.4 -> 54.0)
Last season:
Texas Rangers 2022 -> 2023 13.6 (42.0 -> 55.6)
Cincinnati Reds 2022 -> 2023 12.3 (38.3 -> 50.6)
Baltimore Orioles 2022 -> 2023 11.1 (51.2 -> 62.3)
Washington Nationals 2022 -> 2023 9.8 (34.0 -> 43.8)
Miami Marlins 2022 -> 2023 9.6 (42.6 -> 52.2)
Pittsburgh Pirates 2022 -> 2023 8.6 (38.3 -> 46.9)
Tampa Bay Rays 2022 -> 2023 8.0 (53.1 -> 61.1)
Detroit Tigers 2022 -> 2023 7.4 (40.7 -> 48.1)
Arizona Diamondbacks 2022 -> 2023 6.2 (45.7 -> 51.9)
Minnesota Twins 2022 -> 2023 5.6 (48.1 -> 53.7)
Chicago Cubs 2022 -> 2023 5.5 (45.7 -> 51.2)
Milwaukee Brewers 2022 -> 2023 3.7 (53.1 -> 56.8)
Atlanta Braves 2022 -> 2023 1.9 (62.3 -> 64.2)
Philadelphia Phillies 2022 -> 2023 1.9 (53.7 -> 55.6)
|