Giants Roster & Staff
Transactions
| Date | Transaction |
| 12/10/25 | Minnesota Twins traded C Daniel Susac to San Francisco Giants for C Miguel Caraballo and cash. |
| 12/10/25 | St. Louis Cardinals purchased contract of RHP Ryan Murphy in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Minnesota Twins traded C Daniel Susac to San Francisco Giants for C Miguel Caraballo and cash. |
| 12/10/25 | Toronto Blue Jays purchased contract of RHP Spencer Miles in the Rule 5 Draft. |
| 12/10/25 | Detroit Tigers purchased contract of RHP Jan Caraballo in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Athletics purchased contract of RHP Ryan Watson in the Rule 5 Draft. |
| 12/10/25 | Pittsburgh Pirates purchased contract of RHP Junior Flores in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Atlanta Braves purchased contract of RF Carter Howell in the Rule 5 Draft, AAA Phase. |
| 12/10/25 | Philadelphia Phillies purchased contract of RHP Evan Gates in the Rule 5 Draft, AAA Phase. |
| 12/05/25 | Pittsburgh Pirates claimed OF Marco Luciano off waivers from San Francisco Giants. |
| 12/03/25 | San Francisco Giants signed free agent LHP Sam Hentges. |