Giants Roster & Staff
Transactions
| Date | Transaction |
| 01/15/26 | San Francisco Giants signed free agent OF Angelo Ugueto to a minor league contract. |
| 01/15/26 | San Francisco Giants signed free agent SS Luis Hernandez to a minor league contract. |
| 01/13/26 | Chicago Cubs claimed CF Justin Dean off waivers from San Francisco Giants. |
| 01/12/26 | San Francisco Giants signed free agent LHP Nick Margevicius to a minor league contract. |
| 01/12/26 | San Francisco Giants signed free agent OF Jared Oliva to a minor league contract. |
| 01/07/26 | Los Angeles Angels claimed OF Wade Meckler off waivers from San Francisco Giants. |
| 01/06/26 | San Francisco Giants designated CF Justin Dean for assignment. |
| 01/05/26 | San Francisco Giants signed free agent RHP Tyler Mahle. |
| 01/05/26 | Washington Nationals claimed LF Joey Wiemer off waivers from San Francisco Giants. |