| Aaron Fox League | Forum | Subscription | 06-03-2080 | 16 | 0 | |
| Al Lopez League | Forum | Trial | 08-27-1952 | 16 | 0 | |
| Albert Pujols League | Forum | Subscription | 05-06-2130 | 16 | 1 | |
| Amos Otis League | Forum | Subscription | 10-05-2137 | 16 | 0 | |
| Andres Galarraga League | Forum | Subscription | 08-12-2112 | 16 | 1 | |
| Ashburn Crawford League | Forum | Dynasty | 08-20-2013 | 24 | 0 | |
| Barry Zito League | Forum | Subscription | 07-28-2101 | 16 | 1 | |
| Bill Mazeroski League | Forum | Subscription | 09-28-2126 | 16 | 2 | |
| Bill Watkins League | Forum | Trial | 07-04-1950 | 16 | 10 | Filling (6 of 16), Games paused |
| Billy Hamilton League | Forum | Dynasty | 08-17-2078 | 16 | 1 | |
| Billy Williams League | Forum | Subscription | 04-19-2071 | 16 | 2 | |
| Birdie Tebbetts League | Forum | Trial | 07-14-1951 | 16 | 0 | |
| Bob Ferguson League | Forum | Trial | 10-07-1951 | 16 | 0 | |
| Bob Horner League | Forum | Subscription | 03-25-1974 | 16 | 8 | |
| Bobby Doerr League | Forum | Subscription | 09-05-2025 | 16 | 1 | |
| Branch Rickey League | Forum | Subscription | 06-26-2223 | 16 | 0 | |
| Buddy Bell League | Forum | Trial | 07-04-1950 | 16 | 15 | Filling (1 of 16), Games paused |
| Carl Dunn League | Forum | Dynasty | 08-20-2013 | 24 | 0 | |
| Carlton Fisk League | Forum | Private | 06-03-2279 | 16 | 0 | |
| Cesar Cedeno League | Forum | Dynasty | 08-17-2074 | 16 | 1 | |
| Charlie Finley League | Forum | Trial | 08-06-1950 | 16 | 0 | |
| Chick Stahl League | Forum | Trial | 08-24-1951 | 16 | 0 | |
| Cool Papa Bell League | Forum | Subscription | 07-14-2060 | 16 | 0 | |
| Darrell Johnson League | Forum | Trial | 09-15-1950 | 16 | 0 | |
| Dave Bristol League | Forum | Trial | 09-27-1951 | 16 | 0 | |
| Del Crandall League | Forum | Trial | 10-17-1952 | 16 | 0 | |
| Dick Howser League | Forum | Trial | 08-27-1950 | 16 | 0 | |
| Dom DiMaggio League | Forum | Dynasty | 08-17-2074 | 16 | 0 | |
| Don Newcombe League | Forum | Subscription | 06-01-2164 | 16 | 0 | |
| Duke Snider League | Forum | Dynasty | 08-17-2079 | 16 | 0 | |
| Earl Averill League | Forum | Dynasty | 08-17-2076 | 16 | 1 | |
| Ed ONeill League | Forum | Subscription | 03-25-2257 | 16 | 0 | |
| Eddie Dyer League | Forum | Trial | 07-04-1950 | 16 | 9 | Filling (7 of 16), Games paused |
| Ford Hernandez League | Forum | Subscription | 10-05-2216 | 24 | 0 | |
| Frank Robinson League | Forum | Private | 05-24-2188 | 16 | 0 | |
| Fred Lynn League | Forum | Dynasty | 08-17-2075 | 16 | 5 | |
| Fred Mitchell League | Forum | Trial | 07-30-1950 | 16 | 0 | |
| Gaylord Perry League | Forum | Subscription | 08-08-2709 | 16 | 1 | |
| George Huff League | Forum | Trial | 07-28-1952 | 16 | 0 | |
| George Van Haltren League | Forum | Dynasty | 08-17-2072 | 16 | 0 | |
| Gibson Feller League | Forum | Subscription | 04-23-2016 | 16 | 0 | |
| Goose Goslin League | Forum | Dynasty | 08-17-2064 | 16 | 1 | |
| Harmon Killebrew League | Forum | Subscription | 07-06-2179 | 16 | 1 | |
| Heinie Wagner League | Forum | Trial | 07-10-1952 | 16 | 0 | |
| Jesse Orosco League | Forum | Subscription | 08-05-2213 | 16 | 0 | |
| Jeter Wood League | Forum | Subscription | 08-06-2029 | 16 | 1 | |
| Jim Bottomley League | Forum | Trial | 10-17-1950 | 16 | 0 | |
| Jim Lefebvre League | Forum | Trial | 09-23-1951 | 16 | 0 | |
| Jimmy Wynn League | Forum | Dynasty | 08-17-2078 | 16 | 3 | |
| Joe Cantillon League | Forum | Trial | 08-30-1952 | 16 | 0 | |
