Giants Roster & Staff
Transactions
| Date | Transaction |
| 12/21/15 | San Francisco Giants signed free agent RHP Nestor Molina to a minor league contract. |
| 12/17/15 | San Francisco Giants signed free agent LF Robbie Garvey to a minor league contract. |
| 12/16/15 | San Francisco Giants signed free agent RHP Johnny Cueto. |
| 12/10/15 | Toronto Blue Jays claimed Joe Biagini off waivers from San Francisco Giants. |
| 12/09/15 | San Francisco Giants signed free agent RHP Jeff Samardzija. |
| 12/07/15 | San Francisco Giants signed free agent 2B Ramiro Pena to a minor league contract and invited him to spring training. |
| 12/05/15 | San Francisco Giants signed free agent SS Ali Castillo to a minor league contract. |
| 12/02/15 | C Hector Sanchez elected free agency. |
| 12/02/15 | RHP Yusmeiro Petit elected free agency. |