Longest Same Season MLB Losing Streaks
Which MLB team has the longest regular season losing streak?
The 1899 Cleveland Spiders have the longest losing streak within the same regular season in MLB history at 24 straight games. During this streak they lost to their opponents by an average of 5.9 runs.
Which MLB team had the longest losing streak but still made the postseason?
The 1982 Atlanta Braves, the 2017 Los Angeles Dodgers and the 1951 New York Giants all lost 11 straight games during the regular season, but still made the MLB Postseason.Which MLB team had the longest losing streak but still won the World Series?
The 1953 New York Yankees won the World Series despite having a 9 game losing streak within that season.Longest Same Season MLB Losing Streaks
| Team | Year | Losing Streak | Avg Margin of Defeat | |
|---|---|---|---|---|
| 1 | Cleveland Spiders | 1899 | 24 | 5.9 runs |
| 2 | Philadelphia Phillies | 1961 | 23 | 3.4 runs |
| Pittsburgh Alleghenys | 1890 | 23 | 6.6 runs | |
| 4 | Chicago White Sox | 2024 | 21 | 4.1 runs |
| Baltimore Orioles | 1988 | 21 | 4.0 runs | |
| 6 | Montreal Expos | 1969 | 20 | 3.8 runs |
| Philadelphia Athletics | 1943 | 20 | 2.6 runs | |
| Philadelphia Athletics | 1916 | 20 | 4.2 runs | |
| Boston Americans | 1906 | 20 | 4.2 runs | |
| Louisville Colonels | 1894 | 20 | 5.5 runs | |
| 11 | Baltimore Orioles | 2021 | 19 | 5.7 runs |
| Kansas City Royals | 2005 | 19 | 4.4 runs | |
| Detroit Tigers | 1975 | 19 | 2.9 runs | |
| Cincinnati Reds | 1914 | 19 | 3.6 runs | |
| Boston Beaneaters | 1906 | 19 | 4.1 runs | |
| 16 | Washington Senators | 1959 | 18 | 4.2 runs |
| Washington Senators | 1948 | 18 | 3.8 runs | |
| Philadelphia Athletics | 1920 | 18 | 2.8 runs | |
| St. Louis Browns | 1897 | 18 | 5.4 runs | |
| Louisville Colonels | 1894 | 18 | 6.8 runs | |
| 21 | Arizona Diamondbacks | 2021 | 17 | 3.2 runs |
| Seattle Mariners | 2011 | 17 | 3.4 runs | |
| Atlanta Braves | 1977 | 17 | 5.1 runs | |
| New York Mets | 1962 | 17 | 3.3 runs | |
| Boston Red Sox | 1926 | 17 | 3.6 runs | |
| Washington Senators | 1894 | 17 | 5.8 runs | |
| 27 | Brooklyn Dodgers | 1944 | 16 | 4.1 runs |
| Boston Rustlers | 1911 | 16 | 5.2 runs | |
| Boston Americans | 1907 | 16 | 3.1 runs | |
| Boston Doves | 1907 | 16 | 2.3 runs | |
| Cleveland Spiders | 1899 | 16 | 6.9 runs | |
| Detroit Wolverines | 1888 | 16 | 2.6 runs | |
| Buffalo Bisons | 1885 | 16 | 7.2 runs | |
| 34 | Houston Astros | 2013 | 15 | 3.7 runs |
| Tampa Bay Devil Rays | 2002 | 15 | 2.7 runs | |
| New York Mets | 1982 | 15 | 2.1 runs | |
| Texas Rangers | 1972 | 15 | 2.9 runs | |
| New York Mets | 1963 | 15 | 3.9 runs | |
| Philadelphia Athletics | 1937 | 15 | 3.5 runs | |
| Boston Braves | 1935 | 15 | 5.2 runs | |
| Boston Braves | 1927 | 15 | 3.3 runs | |
| Boston Red Sox | 1927 | 15 | 3.9 runs | |
| St. Louis Cardinals | 1909 | 15 | 3.5 runs | |
| Boston Doves | 1909 | 15 | 3.2 runs | |
| Louisville Colonels | 1895 | 15 | 5.8 runs | |
| 46 | Chicago White Sox | 2024 | 14 | 3.7 runs |
| Los Angeles Angels | 2022 | 14 | 3.2 runs | |
| Baltimore Orioles | 2021 | 14 | 3.2 runs | |
| Arizona Diamondbacks | 2004 | 14 | 4.1 runs | |
| Chicago Cubs | 1997 | 14 | 3.0 runs | |
| Milwaukee Brewers | 1994 | 14 | 4.3 runs | |
| Seattle Mariners | 1992 | 14 | 3.0 runs | |
| Minnesota Twins | 1982 | 14 | 3.9 runs | |
| Oakland Athletics | 1977 | 14 | 3.4 runs | |
| Washington Senators | 1970 | 14 | 3.1 runs | |
| Washington Senators | 1961 | 14 | 3.9 runs | |
| Baltimore Orioles | 1954 | 14 | 3.6 runs | |
| St. Louis Browns | 1953 | 14 | 4.4 runs | |
| Philadelphia Athletics | 1945 | 14 | 3.8 runs | |
| St. Louis Browns | 1940 | 14 | 4.0 runs | |
| Cincinnati Reds | 1937 | 14 | 3.0 runs | |
| Brooklyn Dodgers | 1937 | 14 | 3.0 runs | |
| Philadelphia Phillies | 1936 | 14 | 3.1 runs | |
| Boston Braves | 1935 | 14 | 4.3 runs | |
| Boston Red Sox | 1930 | 14 | 4.3 runs | |
| Philadelphia Phillies | 1927 | 14 | 4.8 runs | |
| St. Louis Cardinals | 1916 | 14 | 3.7 runs | |
| St. Louis Browns | 1911 | 14 | 4.4 runs | |
| Boston Rustlers | 1911 | 14 | 3.1 runs | |
| St. Louis Cardinals | 1905 | 14 | 3.9 runs | |
| Cleveland Spiders | 1899 | 14 | 5.5 runs | |
| Washington Senators | 1898 | 14 | 3.1 runs | |
| St. Louis Browns | 1896 | 14 | 5.3 runs |
