Rank | Team | Wins | Record |
1. | Seattle Mariners, 2010 | 40 | 40-122 |
2. | Chicago Cubs, 1981 | 41 | 41-121 |
3. | Washington Senators, 1958 | 42 | 42-112 |
4. | Seattle Mariners, 2005 | 42 | 42-120 |
5. | Kansas City Royals, 1969 | 44 | 44-118 |
6. | New York Yankees, 1944 | 45 | 45-109 |
7. | Detroit Tigers, 1975 | 47 | 47-115 |
8. | Oakland A's, 1977 | 47 | 47-115 |
9. | Milwaukee Brewers, 2009 | 47 | 47-115 |
10. | Philadelphia A's, 1946 | 48 | 48-106 |
11. | St. Louis Cardinals, 1956 | 48 | 48-106 |
12. | Washington Senators, 1956 | 48 | 48-106 |
13. | Seattle Mariners, 1983 | 48 | 48-114 |
14. | Washington Nationals, 2007 | 48 | 48-114 |
15. | Washington Nationals, 2008 | 48 | 48-114 |
16. | Toronto Blue Jays, 2009 | 48 | 48-114 |
17. | Montreal Expos, 1969 | 49 | 49-113 |
18. | Boston Braves, 1946 | 50 | 50-104 |
19. | Minnesota Twins, 1981 | 50 | 50-112 |
20. | Atlanta Braves, 1986 | 50 | 50-112 |
21. | St. Louis Cardinals, 1940 | 51 | 51-103 |
22. | Philadelphia A's, 1943 | 51 | 51-103 |
23. | New York Mets, 1967 | 51 | 51-111 |
24. | Milwaukee Brewers, 1971 | 51 | 51-111 |
25. | Chicago Cubs, 1933 | 52 | 52-102 |
26. | Baltimore Orioles, 1959 | 52 | 52-102 |
27. | Seattle Pilots, 1969 | 52 | 52-110 |
28. | Chicago Cubs, 1970 | 52 | 52-110 |
29. | Milwaukee Brewers, 1975 | 52 | 52-110 |
30. | Seattle Mariners, 1977 | 52 | 52-110 |
31. | Toronto Blue Jays, 1978 | 52 | 52-110 |
32. | Montreal Expos, 1990 | 52 | 52-110 |
33. | Kansas City Royals, 1995 | 52 | 52-110 |
34. | Pittsburgh Pirates, 1940 | 53 | 53-101 |
35. | Boston Braves, 1943 | 53 | 53-101 |
36. | Chicago White Sox, 1970 | 53 | 53-109 |
37. | Chicago White Sox, 1985 | 53 | 53-109 |
38. | Florida Marlins, 1993 | 53 | 53-109 |
39. | Cincinnati Reds, 2003 | 53 | 53-109 |
40. | Detroit Tigers, 2003 | 53 | 53-109 |
41. | Toronto Blue Jays, 2010 | 53 | 53-109 |
42. | Boston Braves, 1935 | 54 | 54-100 |
43. | New York Yankees, 1945 | 54 | 54-100 |
44. | New York Mets, 1963 | 54 | 54-108 |
45. | Atlanta Braves, 1974 | 54 | 54-108 |
46. | Detroit Tigers, 1976 | 54 | 54-108 |
47. | Chicago Cubs, 1978 | 54 | 54-108 |
48. | Chicago Cubs, 1983 | 54 | 54-108 |
49. | Montreal Expos, 1989 | 54 | 54-108 |
50. | Florida Marlins, 1998 | 54 | 54-108 |