League injury log -- A
Regular season -- as of 5/20/2012
| Injuries |
| Date | # | Team | Player | Cause | Dur |
| 3/28/2012 | | Oak | Cabrera | General | 5 |
| 4/6/2012 | | NYA | Saito | General | 0 |
| 4/6/2012 | | NYA | Price | General | 8 |
| 4/6/2012 | | Oak | Kershaw | General | 7 |
| 4/7/2012 | | Det | Branyan | General | 0 |
| 4/8/2012 | | NYA | Pence | General | 0 |
| 4/8/2012 | | Tam | Duda | General | 0 |
| 4/9/2012 | | Min | Stutes | General | 0 |
| 4/10/2012 | | Oak | Herndon | General | 4 |
| 4/10/2012 | | Tex | Morton | General | 16 |
| 4/11/2012 | | NYA | Overbay | General | 4 |
| 4/11/2012 | | KC | Takahashi | General | 0 |
| 4/11/2012 | | Tex | Ramirez | General | 2 |
| 4/13/2012 | | Bos | Bedard | General | 9 |
| 4/13/2012 | | Bal | Roberts | General | 14 |
| 4/13/2012 | | KC | Cabrera | Collision on bases | 1 |
| 4/14/2012 | | LAA | Niese | General | 11 |
| 4/14/2012 | | Bal | Fister | General | 22 |
| 4/15/2012 | | ChA | Reyes | General | 0 |
| 4/16/2012 | | Bal | Morse | General | 0 |
| 4/16/2012 | | ChA | Niemann | General | 11 |
| 4/17/2012 | | Sea | Wieters | General | 20 |
| 4/18/2012 | | Cle | Victorino | General | 7 |
| 4/19/2012 | | Bal | Pennington | General | 12 |
| 4/19/2012 | | ChA | Quentin | General | 4 |
| 4/20/2012 | | Bos | Roberts | General | 6 |
| 4/20/2012 | | Min | Baker | Collision in field | 19 |
| 4/21/2012 | | NYA | Oswalt | General | 14 |
| 4/21/2012 | | KC | Murphy | General | 5 |
| 4/22/2012 | | Oak | Cabrera | General | 0 |
| 4/24/2012 | | Tor | Frandsen | Hit by pitch | 20 |
| 4/25/2012 | | Tex | Jurrjens | General | 12 |
| 4/26/2012 | | Tam | Atchison | General | 11 |
| 4/26/2012 | | Det | Vazquez | General | 24 |
| 4/27/2012 | | Det | Doumit | General | 6 |
| 4/27/2012 | | Det | Pineda | General | 22 |
| 4/27/2012 | | Bos | Johnson | General | 0 |
| 4/27/2012 | | Tam | Peacock | General | 19 |
| 4/28/2012 | | Sea | Ellis | Hit by pitch | 24 |
| 4/29/2012 | | Oak | Marcum | General | 24 |
| 4/29/2012 | | Det | Lester | General | 22 |
| 4/29/2012 | | Tor | Vargas | General | 6 |
| 4/29/2012 | | Min | Izturis | General | 5 |
| 4/29/2012 | | Min | Harang | General | 5 |
| 4/30/2012 | | Tam | Fulchino | General | 0 |
| 4/30/2012 | | LAA | Niese | General | 17 |
| 5/2/2012 | | Bal | Pennington | General | 0 |
| 5/2/2012 | | Tor | Bailey | General | 7 |
| 5/2/2012 | | ChA | Brown | General | 0 |
| 5/3/2012 | | LAA | Avila | General | 0 |
| 5/4/2012 | | Bos | Marte | General | 3 |
| 5/4/2012 | | Bos | Zito | General | 21 |
| 5/4/2012 | | Oak | Kendrick | General | 2 |
| 5/4/2012 | | ChA | Encarnacion | General | 4 |
| 5/4/2012 | | Det | Ross | General | 15 |
| 5/5/2012 | | ChA | Gonzalez | General | 17 |
| 5/5/2012 | | Det | Doumit | General | 0 |
| 5/5/2012 | | Sea | Thornton | General | 0 |
| 5/6/2012 | | Cle | Escobar | General | 0 |
| 5/6/2012 | | Det | Butler | General | 1 |
| 5/6/2012 | | KC | Rolen | General | 0 |
| 5/7/2012 | | Min | Parnell | General | 2 |
| 5/7/2012 | | Det | Moscoso | General | 22 |
| 5/8/2012 | | Bos | Lackey | General | 9 |
| 5/8/2012 | | Tor | Torres | General | 15 |
| 5/9/2012 | | Min | Lind | General | 5 |
| 5/10/2012 | | Cle | Victorino | General | 0 |
| 5/10/2012 | | Oak | Kendrick | General | 6 |
| 5/11/2012 | | Bal | Dirks | Hit by pitch | 41 |
| 5/11/2012 | | KC | Ellis | General | 0 |
| 5/11/2012 | | Oak | Francis | General | 16 |
| 5/13/2012 | | Bos | Rodney | Rain delay | 0 |
| 5/14/2012 | | Bos | Andino | General | 2 |
| 5/15/2012 | | KC | Korecky | General | 17 |
| 5/15/2012 | | Tex | Harrison | General | 2 |
| 5/16/2012 | | LAA | Avila | General | 0 |
| 5/18/2012 | | NYA | Oswalt | General | 17 |
| 5/18/2012 | | Bos | Masset | General | 0 |
| 5/19/2012 | | KC | Harrison | General | 6 |
| 5/20/2012 | | Det | Doumit | Collision in field | 2 |
| 5/20/2012 | | Det | Rauch | General | 3 |