| SPORTS LEAGUE INDEX | ||
| BASEBALL | ||
 |
 |
 |
| Independent Professional Baseball Federation | Major League Baseball | Minor League Baseball |
| -- | 1869 | 1869 |
| BASKETBALL | ||
 |
 |
|
| National Basketball Association | NBA Development League | |
| 1946 | 19-- | |
| FOOTBALL | ||
| ARENA FOOTBALL | ||
 |
 |
|
| Arena Football League | arenafootball2 | |
| 1987 | 1999-2009 | |
| OUTDOOR FOOTBALL | ||
 |
 |
 |
| Canadian Football League | National Football League | United Football League |
| 1958 | 1920 | 2009 |
| ICE HOCKEY | ||
 |
|  |
| American Hockey League | East Coast Hockey League | National Hockey League |
| 1936 | 1988 | 1917 |
| LACROSSE | ||
 |
 |
|
| Major League Lacrosse | National Lacrosse League | |
| 1999 | 1986 | |
| SOFTBALL | ||
 |
||
| National Pro Fastpitch | ||
| 2004 | ||
| SOCCER | ||
| INDOOR SOCCER | ||
 |
 |
|
| Major Indoor Soccer League | Major Indoor Soccer League | |
| 2001-2008 | 2008 | |
| OUTDOOR SOCCER | ||
 |
 |
 |
| Major League Soccer | North American Soccer League | United Soccer Leagues |
| 1993 | 2009 | 1986 |
 |
 |
|
| Women's Professional Soccer | Women's United Soccer Association | |
| 2007 | 2000-2003 | |
3:03 AM Mar 10
