| Aaron Fox League | Forum | Subscription | 07-23-2068 | 16 | 1 | |
| Al Lopez League | Forum | Trial | 03-03-1951 | 16 | 0 | |
| Albert Pujols League | Forum | Subscription | 10-13-2121 | 16 | 4 | |
| Amos Otis League | Forum | Subscription | 08-16-2129 | 16 | 0 | |
| Andres Galarraga League | Forum | Subscription | 06-21-2104 | 16 | 3 | |
| Ashburn Crawford League | Forum | Dynasty | 08-13-2009 | 24 | 0 | |
| Barry Zito League | Forum | Subscription | 05-25-2094 | 16 | 0 | |
| Bill Mazeroski League | Forum | Subscription | 05-25-2112 | 16 | 1 | |
| Bill Watkins League | Forum | Trial | 09-20-1951 | 16 | 0 | |
| Billy Hamilton League | Forum | Dynasty | 08-10-2074 | 16 | 3 | |
| Billy Williams League | Forum | Subscription | 09-02-2066 | 16 | 2 | |
| Birdie Tebbetts League | Forum | Trial | 07-09-1950 | 16 | 0 | |
| Bob Ferguson League | Forum | Trial | 08-02-1950 | 16 | 0 | |
| Bob Horner League | Forum | Private | 06-28-1967 | 16 | 0 | |
| Bobby Doerr League | Forum | Subscription | 04-01-2008 | 16 | 0 | |
| Branch Rickey League | Forum | Subscription | 04-01-2188 | 16 | 1 | |
| Buddy Bell League | Forum | Trial | 07-04-1950 | 16 | 15 | Filling (1 of 16), Games paused |
| Carl Dunn League | Forum | Dynasty | 08-13-2009 | 24 | 0 | |
| Carl Yastrzemski League | Forum | Dynasty | 08-10-2067 | 16 | 4 | |
| Carlton Fisk League | Forum | Private | 09-02-2268 | 16 | 0 | |
| Cesar Cedeno League | Forum | Dynasty | 08-10-2070 | 16 | 0 | |
| Charlie Finley League | Forum | Trial | 08-17-1952 | 16 | 0 | |
| Chick Stahl League | Forum | Trial | 07-04-1950 | 16 | 11 | Filling (5 of 16), Games paused |
| Cool Papa Bell League | Forum | Subscription | 05-22-2056 | 16 | 0 | |
| Darrell Johnson League | Forum | Trial | 08-04-1952 | 16 | 0 | |
| Dave Bristol League | Forum | Trial | 07-04-1950 | 16 | 9 | Filling (7 of 16), Games paused |
| Del Crandall League | Forum | Trial | 09-03-1951 | 16 | 0 | |
| Dick Howser League | Forum | Trial | 07-04-1950 | 16 | 9 | Filling (7 of 16), Games paused |
| Dom DiMaggio League | Forum | Dynasty | 08-10-2070 | 16 | 2 | |
| Don Newcombe League | Forum | Subscription | 04-14-2156 | 16 | 2 | |
| Don Wakamatsu League | Forum | Trial | 07-17-1952 | 16 | 0 | |
| Duke Snider League | Forum | Dynasty | 08-10-2075 | 16 | 0 | |
| Earl Averill League | Forum | Dynasty | 08-10-2072 | 16 | 1 | |
| Ed ONeill League | Forum | Subscription | 07-05-2242 | 16 | 0 | |
| Eddie Dyer League | Forum | Trial | 07-04-1950 | 16 | 9 | Filling (7 of 16), Games paused |
| Ford Hernandez League | Forum | Subscription | 06-08-2200 | 24 | 0 | |
| Frank Robinson League | Forum | Private | 07-23-2176 | 16 | 0 | |
| Fred Lynn League | Forum | Dynasty | 08-10-2071 | 16 | 2 | |
| Fred Mitchell League | Forum | Trial | 09-06-1951 | 16 | 0 | |
| Gaylord Perry League | Forum | Subscription | 05-12-2674 | 16 | 0 | |
| George Huff League | Forum | Trial | 11-01-1952 | 16 | 0 | |
| George Van Haltren League | Forum | Dynasty | 08-10-2068 | 16 | 3 | |
| Gibson Feller League | Forum | Subscription | 06-11-2004 | 16 | 0 | |
| Goose Goslin League | Forum | Dynasty | 08-10-2060 | 16 | 0 | |
| Harmon Killebrew League | Forum | Subscription | 05-19-2171 | 16 | 1 | |
| Heinie Wagner League | Forum | Trial | 09-09-1950 | 16 | 0 | |
| Jesse Orosco League | Forum | Subscription | 09-22-2201 | 16 | 1 | |
| Jeter Wood League | Forum | Subscription | 06-01-2025 | 16 | 0 | |
| Jim Bottomley League | Forum | Trial | 07-04-1950 | 16 | 5 | Filling (11 of 16), Games paused |
| Jim Lefebvre League | Forum | Trial | 07-05-1950 | 16 | 0 | |
