ESPN.com · Mar 27, 2025
What are the worst records in MLB history?
Copy Link
The Chicago White Sox struggled during the 2024 season. At the end of September, the White Sox fell to the Detroit Tigers and broke the modern MLB era record for most losses in a season, taking over the historical slot previously held by the 1962 expansion New York Mets.
Check out the historical rundown below:
Worst Records, MLB History
(Min. 150 Games Played; W-L, Win Pct)
1899 Cleveland Spiders: 20-134, .130
1916 Philadelphia A's: 36-117, .235
1935 Boston Braves: 38-115, .248
2024 Chicago White Sox: 39-121, .244
1962 New York Mets: 40-120, .250
1904 Washington Senators: 38-113, .252
Most Losses in a Season, MLB History
(W-L, Win Pct)
1899 Cleveland Spiders: 134