| Date | Pos | Player | Injury | Status | Expected Return |
| 05/25/12 |
3B |
Ian Stewart |
Wrist |
DOUBT |
Doubtful for May 25 at Pittsburgh |
| 05/23/12 |
RP |
Blake Parker |
Hamstring |
QUEST |
Questionable for May 25 at Pittsburgh |
| 05/22/12 |
C |
Welington Castillo |
Knee |
DL |
15-day DL. Out until at least late May |
| 05/19/12 |
C |
Geovany Soto |
Knee |
DL |
15-day DL. Out until at least mid-June |
| 05/16/12 |
RP |
Lendy Castillo |
Groin |
DL |
15-day DL. Out until at least late May |
| 05/20/12 |
RP |
Carlos Marmol |
Hamstring |
DL |
15-day DL. Might begin Triple-A rehab assignment May 25 |
| 05/22/12 |
C |
Steve Clevenger |
Oblique |
DL |
15-day DL. On Triple-A rehab assignment |
| 04/05/12 |
RP |
Marcos Mateo |
Elbow |
DL |
60-day DL. Out until at least early June |
