| Date | Pos | Player | Injury | Status | Expected Return |
| 20130519 |
SS |
Zack Cozart |
Illness |
QUEST |
Questionable for May 20 at N.Y. Mets |
| 20130514 |
CF |
Chris Heisey |
Hamstring |
DL |
15-day DL. Out until at least late May |
| 20130513 |
RP |
Manny Parra |
Pectoral |
DL |
15-day DL. On Double-A rehab assignment |
| 20130514 |
SP |
Johnny Cueto |
Lat, oblique |
DL |
15-day DL. On Class A rehab assignment |
| 20130415 |
RF |
Ryan Ludwick |
Shoulder |
DL |
60-day DL. Out until at least early July |
| 20130421 |
RP |
Nick Masset |
Shoulder |
DL |
60-day DL. Out until at least late May |
