Worst MLB Record in a Season

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Detroit Tigers relief pitcher Drew VerHagen throws during the eighth inning of a baseball game against the Kansas City Royals, Saturday, May 4, 2019, in Detroit.
(AP Photo/Carlos Osorio)
BetMGM @BETMGM Apr 07, 2023, 5:14 PM

The Cleveland Spiders have the worst MLB record in a season, having ended the 1899 season with a record of 20-134 for a win percentage of .130. The 1916 Philadelphia Athletics have the worst MLB record of the modern era (1901-present) with 36-117 (.235).

As of the 2023 season, there are 36 teams that have ended an MLB season with a win percentage under .300. The 2019 Detroit Tigers are the most recent team to have lost at least 110 games in a season (47-114), ending the year with a win percentage of .291.

Worst MLB Record in a Season

SEASONTEAMRECORDWIN %
1899Cleveland Spiders20-134.130
1890Pittsburgh Alleghenys23-113.169
1889Louisville Colonels27-111.196
1897St. Louis Browns29-102.221
1886Washington Nationals28-92.233
1916Philadelphia Athletics36-117.235
1886Kansas City Cowboys30-91.248
1935Boston Braves38-115.248
1962New York Mets40-120.250
1904Washington Senators38-113.252
1919Philadelphia Athletics36-104.257
1898St. Louis Browns39-111.260
2003Detroit Tigers43-119.265
1895Louisville Colonels35-96.267
1890Buffalo Bisons36-96.273
1952Pittsburgh Pirates42-112.273
1909Washington Senators42-110.276
1894Louisville Colonels36-94.277
1942Philadelphia Phillies42-109.278
1939St. Louis Browns43-111.279
1932Boston Red Sox43-111.279
1941Philadelphia Phillies43-111.279
1915Philadelphia Athletics43-109.283
1928Philadelphia Phillies43-109.283
1896Louisville Colonels38-93.290
2018Baltimore Orioles47-115.290
2019Detroit Tigers47-114.291
1911Boston Rustlers44-107.291
1887Indianapolis Hoosiers37-89.294
1909Boston Doves45-108.294
1895St. Louis Browns39-93.295
1911St. Louis Browns45-107.296
1887Cleveland Blues39-92.298
1939Philadelphia Phillies45-106.298
1937St. Louis Browns46-108.299
1945Philadelphia Phillies46-108.299

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Our BetMGM editors and authors are sports experts with a wealth of knowledge of the sports industry at all levels. Their coverage includes sports news, previews and predictions, fun facts, and betting.