| Cle | This user is a fan of the Cleveland Guardians |
| Det | This user is a fan of the Detroit Tigers |
| Oak | This user is a fan of the Oakland Athletics |
| Phi | This user is a fan of the Philadelphia Phillies |
| Pirates | This user is a fan of the Pittsburgh Pirates |
| Chc | This user is a fan of the Chicago Cubs |
| Chs | This user is a fan of the Chicago White Sox |