| Aaron Fox League | Forum | Subscription | 08-25-2078 | 16 | 1 | |
| Al Lopez League | Forum | Trial | 08-14-1951 | 16 | 0 | |
| Albert Pujols League | Forum | Subscription | 04-09-2129 | 16 | 1 | |
| Amos Otis League | Forum | Subscription | 09-07-2136 | 16 | 0 | |
| Andres Galarraga League | Forum | Subscription | 07-14-2111 | 16 | 0 | |
| Ashburn Crawford League | Forum | Dynasty | 04-26-2013 | 24 | 0 | |
| Barry Zito League | Forum | Subscription | 07-28-2100 | 16 | 1 | |
| Bill Mazeroski League | Forum | Subscription | 09-27-2124 | 16 | 2 | |
| Bill Watkins League | Forum | Trial | 10-17-1951 | 16 | 0 | |
| Billy Hamilton League | Forum | Dynasty | 04-22-2078 | 16 | 1 | |
| Billy Williams League | Forum | Subscription | 07-06-2070 | 16 | 4 | |
| Birdie Tebbetts League | Forum | Trial | 07-04-1950 | 16 | 0 | |
| Bob Ferguson League | Forum | Trial | 09-21-1950 | 16 | 0 | |
| Bob Horner League | Forum | Private | 03-25-1974 | 16 | 8 | |
| Bobby Doerr League | Forum | Subscription | 05-25-2023 | 16 | 0 | |
| Branch Rickey League | Forum | Subscription | 08-07-2218 | 16 | 1 | |
| Buddy Bell League | Forum | Trial | 07-04-1950 | 16 | 15 | Filling (1 of 16), Games paused |
| Carl Dunn League | Forum | Dynasty | 04-26-2013 | 24 | 1 | |
| Carlton Fisk League | Forum | Private | 08-25-2277 | 16 | 0 | |
| Cesar Cedeno League | Forum | Dynasty | 04-22-2074 | 16 | 1 | |
| Charlie Finley League | Forum | Trial | 08-11-1952 | 16 | 0 | |
| Chick Stahl League | Forum | Trial | 08-13-1950 | 16 | 0 | |
| Cool Papa Bell League | Forum | Subscription | 10-04-2059 | 16 | 0 | |
| Darrell Johnson League | Forum | Trial | 07-04-1950 | 16 | 7 | Filling (9 of 16), Games paused |
| Dave Bristol League | Forum | Trial | 09-15-1950 | 16 | 0 | |
| Del Crandall League | Forum | Trial | 09-23-1951 | 16 | 0 | |
| Dick Howser League | Forum | Trial | 07-04-1950 | 16 | 7 | Filling (9 of 16), Games paused |
| Dom DiMaggio League | Forum | Dynasty | 04-22-2074 | 16 | 0 | |
| Don Newcombe League | Forum | Subscription | 05-05-2163 | 16 | 0 | |
| Duke Snider League | Forum | Dynasty | 04-22-2079 | 16 | 0 | |
| Earl Averill League | Forum | Dynasty | 04-22-2076 | 16 | 1 | |
| Ed ONeill League | Forum | Subscription | 03-25-2255 | 16 | 1 | |
| Eddie Dyer League | Forum | Trial | 07-04-1950 | 16 | 9 | Filling (7 of 16), Games paused |
| Ford Hernandez League | Forum | Subscription | 08-03-2214 | 24 | 0 | |
| Frank Robinson League | Forum | Private | 08-15-2186 | 16 | 0 | |
| Fred Lynn League | Forum | Dynasty | 04-22-2075 | 16 | 5 | |
| Fred Mitchell League | Forum | Trial | 07-28-1952 | 16 | 0 | |
| Gaylord Perry League | Forum | Subscription | 09-18-2704 | 16 | 3 | |
| George Huff League | Forum | Trial | 07-14-1951 | 16 | 0 | |
| George Van Haltren League | Forum | Dynasty | 04-22-2072 | 16 | 0 | |
| Gibson Feller League | Forum | Subscription | 07-15-2014 | 16 | 0 | |
| Goose Goslin League | Forum | Dynasty | 04-22-2064 | 16 | 1 | |
| Harmon Killebrew League | Forum | Subscription | 06-09-2178 | 16 | 1 | |
| Heinie Wagner League | Forum | Trial | 10-17-1950 | 16 | 0 | |
| Jesse Orosco League | Forum | Subscription | 03-25-2212 | 16 | 1 | |
| Jeter Wood League | Forum | Subscription | 04-11-2029 | 16 | 0 | |
| Jim Bottomley League | Forum | Trial | 07-04-1950 | 16 | 4 | Filling (12 of 16), Games paused |
| Jim Lefebvre League | Forum | Trial | 09-12-1950 | 16 | 0 | |
| Jimmy Wynn League | Forum | Dynasty | 04-22-2078 | 16 | 3 | |
| Joe Cantillon League | Forum | Trial | 08-17-1951 | 16 | 0 | |
