Giants Roster & Staff
Transactions
| Date | Transaction |
| 09/19/26 | San Francisco Giants activated LHP Sam Hentges from the 15-day injured list. |
| 09/19/26 | San Francisco Giants placed LHP Reiver Sanmartin on the 15-day injured list retroactive to September 17, 2026. Right oblique strain. |
| 09/18/26 | San Francisco Giants activated LF Victor Bericoto from the 10-day injured list. |
| 09/18/26 | San Francisco Giants sent LHP Sam Hentges on a rehab assignment to Sacramento River Cats. |
| 09/18/26 | San Francisco Giants sent LHP Sam Hentges on a rehab assignment to Sacramento River Cats. |
| 09/18/26 | San Francisco Giants placed 2B Nate Furman on the 10-day injured list retroactive to September 16, 2026. Right oblique strain. |
| 09/18/26 | San Francisco Giants placed RHP Logan Webb on the 15-day injured list retroactive to September 15, 2026. Right middle finger blister. |
| 09/18/26 | San Francisco Giants recalled RHP Duncan Davitt from Sacramento River Cats. |
| 09/13/26 | San Francisco Giants selected the contract of LF Scott Bandura from Sacramento River Cats. |
| 09/12/26 | Kansas City Royals claimed RHP Spencer Bivens off waivers from San Francisco Giants. |
| 09/09/26 | San Francisco Giants sent LF Victor Bericoto on a rehab assignment to Sacramento River Cats. |
| 09/09/26 | San Francisco Giants designated RHP Spencer Bivens for assignment. |
| 09/09/26 | San Francisco Giants claimed RHP Duncan Davitt off waivers from Atlanta Braves. |
| 09/08/26 | San Francisco Giants sent C Jesus Rodriguez on a rehab assignment to Sacramento River Cats. |
| 09/08/26 | San Francisco Giants optioned C Zach Morgan to Sacramento River Cats. |
| 09/08/26 | San Francisco Giants recalled 3B Brett Harris from Sacramento River Cats. |
| 09/07/26 | San Francisco Giants recalled LHP Philip Abner from Sacramento River Cats. |
| 09/07/26 | San Francisco Giants optioned RHP Braxton Roxby to Sacramento River Cats. |
| 09/05/26 | San Francisco Giants activated RHP Joel Kuhnel. |
| 09/05/26 | San Francisco Giants optioned RHP Ryan Walker to Sacramento River Cats. |
| 09/04/26 | San Francisco Giants placed C Jesus Rodriguez on the 60-day injured list. Right elbow neuritis. |
| 09/04/26 | San Francisco Giants claimed RHP Joel Kuhnel off waivers from Milwaukee Brewers. |
| 09/03/26 | San Francisco Giants transferred RHP Keaton Winn from the 15-day injured list to the 60-day injured list. Right elbow neuritis. |
| 09/03/26 | San Francisco Giants claimed 3B Brett Harris off waivers from Boston Red Sox. |
| 09/03/26 | San Francisco Giants optioned 3B Brett Harris to Sacramento River Cats. |
| 09/01/26 | San Francisco Giants transferred RHP Adrian Houser from the 15-day injured list to the 60-day injured list. Right forearm strain. |
| 09/01/26 | San Francisco Giants signed free agent 2B Darren Baker to a minor league contract. |
| 09/01/26 | San Francisco Giants recalled C Zach Morgan from Sacramento River Cats. |
| 09/01/26 | San Francisco Giants selected the contract of LHP Cesar Perdomo from Sacramento River Cats. |
| 09/01/26 | San Francisco Giants acquired C Charlie Muniz from the Billings Mustangs of the Pioneer League. |