Giants Roster & Staff
Transactions
| Date | Transaction |
| 04/29/13 | San Francisco Giants placed LHP Jose Mijares on the bereavement list. |
| 04/29/13 | San Francisco Giants recalled Sandy Rosario from Fresno Grizzlies. |
| 04/17/13 | San Francisco Giants placed LHP Jeremy Affeldt on the 15-day disabled list retroactive to April 15, 2013. Strained right oblique. |
| 04/17/13 | San Francisco Giants recalled Jean Machi from Fresno Grizzlies. |
| 04/15/13 | San Francisco Giants optioned Brett Pill to Fresno Grizzlies. |
| 04/12/13 | San Francisco Giants signed free agent RHP Arturo Maltos-Garcia to a minor league contract. |
| 04/04/13 | San Francisco Giants sent 1B Brett Pill on a rehab assignment to Fresno Grizzlies. |
| 04/04/13 | San Francisco Giants released LHP Matt Yourkin. |
| 04/02/13 | San Francisco Giants optioned RHP Hunter Strickland to San Jose Giants. |
| 04/02/13 | San Francisco Giants claimed RHP Hunter Strickland off waivers from Pittsburgh Pirates. |