In August 2024, the Chicago White Sox became the 12th team in major league history -- and seventh since 1900 -- to lose 20 straight games in a single season.
The longest single-season MLB losing streak of all time was 26 games, by the 1889 Louisville Colonels. In the modern era (since 1900), the 1961 Philadelphia Phillies top the list.
What other teams claim the longest losing streaks in MLB history?
23 games
21 games
1988 Baltimore Orioles
20 games
*2024 Chicago White Sox
1969 Montreal Expos
1943 Philadelphia Athletics
1916 Philadelphia Athletics
1906 Boston Americans
19 games
2021 Baltimore Orioles
*Indicates active losing streak
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