50 Home Runs in a Season
From BR Bullpen
The feat of hitting fifty home runs in a major league season has been accomplished 39 times by 22 different players. Babe Ruth, Mark McGwire, and Sammy Sosa have accomplished the feat the most times (4). Sosa and McGwire accomplished their four seasons consecutively.
| Player | Year | Homers |
| Barry Bonds | 2001 | 73 |
| Mark McGwire | 1998 | 70 |
| Sammy Sosa | 1998 | 66 |
| Mark McGwire | 1999 | 65 |
| Sammy Sosa | 2001 | 64 |
| Sammy Sosa | 1999 | 63 |
| Roger Maris | 1961 | 61 |
| Babe Ruth | 1927 | 60 |
| Babe Ruth | 1921 | 59 |
| Mark McGwire | 1997 | 58 |
| Ryan Howard | 2006 | 58 |
| Hank Greenberg | 1938 | 58 |
| Jimmie Foxx | 1932 | 58 |
| Alex Rodriguez | 2002 | 57 |
| Luis Gonzalez | 2001 | 57 |
| Hack Wilson | 1930 | 56 |
| Ken Griffey Jr. | 1997 | 56 |
| Ken Griffey Jr. | 1998 | 56 |
| Mickey Mantle | 1961 | 54 |
| Ralph Kiner | 1949 | 54 |
| Alex Rodriguez | 2007 | 54 |
| Babe Ruth | 1920 | 54 |
| Babe Ruth | 1928 | 54 |
| Mark McGwire | 1996 | 52 |
| Willie Mays | 1965 | 52 |
| Mickey Mantle | 1956 | 52 |
| Alex Rodriguez | 2001 | 52 |
| Jim Thome | 2002 | 52 |
| George Foster | 1977 | 52 |
| Ralph Kiner | 1947 | 51 |
| Willie Mays | 1955 | 51 |
| Johnny Mize | 1947 | 51 |
| Andruw Jones | 2005 | 51 |
| Cecil Fielder | 1990 | 51 |
| Sammy Sosa | 2000 | 50 |
| Greg Vaughn | 1998 | 50 |
| Albert Belle | 1995 | 50 |
| Brady Anderson | 1996 | 50 |
| Jimmie Foxx | 1938 | 50 |
| Prince Fielder | 2007 | 50 |
