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What are the best records in modern MLB history?

MLB, Milwaukee Brewers, Chicago Cubs, Seattle Mariners, New York Yankees, Los Angeles Dodgers, Baltimore Orioles, Pittsburgh Pirates

 

In August 2025, the Milwaukee Brewers secured their best record over a 30-game stretch in franchise history within a single season. They also won their 14th straight game, setting a franchise record for consecutive wins in a season. 

Though the Brewers' hot streak is impressive, they will need to push further to land a spot on the list of best modern MLB records of all time. MLB teams with the most wins in a single season continue to stand in a league of their own. 

Check out the historical breakdown below:

 

Best winning percentage in AL/NL history in the modern era (since 1900)

1. 1906 Cubs: .763 (116-36)

2. 1902 Pirates: .741 (103-36)

3. 1909 Pirates: .724 (110-42)

4. 1954 Cleveland: .721 (111-43)

5. 2020 Dodgers: .717 (43-17) *Shortened season

6. 2001 Mariners: .716 (116-46)

7. 1927 Yankees: .714 (110-44)

T8. 1907 Cubs: .704 (107-45)

T8. 1931 Athletics: .704 (107-45)

T8. 1998 Yankees: .704 (114-48)

Teams with the most wins in a single season in AL/NL history (and their record)

T1. 1906 Cubs: 116-36

T1. 2001 Mariners: 116-46

3. 1998 Yankees: 114-48

T4. 1954 Indians: 111-43

T4. 2022 Dodgers: 111-51

T6. 1909 Pirates: 110-42

T6. 1927 Yankees: 110-44

T8. 1961 Yankees: 109-53

T8. 1969 Orioles: 109-53

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