What are the longest losing streaks in MLB history?

In August 2024, the Chicago White Soxtied the 1988 Baltimore Orioles for the longest losing streak (21 games) in American League history.

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

1961 Philadelphia Phillies

21 games

2024 Chicago White Sox

1988 Baltimore Orioles

20 games

1969 Montreal Expos

1943 Philadelphia Athletics

1916 Philadelphia Athletics

1906 Boston Americans

19 games

2021 Baltimore Orioles

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