Giants Roster & Staff
Transactions
| Date | Transaction |
| 01/30/19 | San Francisco Giants sent CF Mike Gerber outright to Sacramento River Cats. |
| 01/24/19 | San Francisco Giants invited non-roster RHP Shaun Anderson to spring training. |
| 01/24/19 | San Francisco Giants signed free agent RHP Jamie Callahan to a minor league contract and invited him to spring training. |
| 01/24/19 | San Francisco Giants signed free agent RHP Carlos Navas to a minor league contract and invited him to spring training. |
| 01/24/19 | San Francisco Giants signed free agent RHP Enderson Franco to a minor league contract and invited him to spring training. |
| 01/24/19 | San Francisco Giants signed free agent RHP Kieran Lovegrove to a minor league contract and invited him to spring training. |
| 01/24/19 | San Francisco Giants invited non-roster LHP Conner Menez to spring training. |
| 01/24/19 | San Francisco Giants signed free agent RHP Keyvius Sampson to a minor league contract and invited him to spring training. |
| 01/24/19 | San Francisco Giants invited non-roster LHP Garrett Williams to spring training. |
| 01/24/19 | San Francisco Giants invited non-roster RHP Sam Wolff to spring training. |
| 01/24/19 | San Francisco Giants invited non-roster C Joey Bart to spring training. |
| 01/24/19 | San Francisco Giants signed free agent C Hamlet Marte to a minor league contract and invited him to spring training. |
| 01/24/19 | San Francisco Giants signed free agent C Cameron Rupp to a minor league contract and invited him to spring training. |
| 01/24/19 | San Francisco Giants signed free agent 1B Zach Green to a minor league contract and invited him to spring training. |
| 01/24/19 | San Francisco Giants invited non-roster SS Ryan Howard to spring training. |
| 01/24/19 | San Francisco Giants signed free agent SS Levi Michael to a minor league contract and invited him to spring training. |
| 01/24/19 | San Francisco Giants signed free agent OF Anthony Garcia to a minor league contract and invited him to spring training. |
| 01/24/19 | San Francisco Giants signed free agent OF Henry Ramos to a minor league contract and invited him to spring training. |
| 01/24/19 | San Francisco Giants signed free agent 2B Donovan Solano to a minor league contract and invited him to spring training. |
| 01/23/19 | San Francisco Giants signed free agent LHP Drew Pomeranz. |
| 01/23/19 | San Francisco Giants designated Mike Gerber for assignment. |
| 01/22/19 | San Francisco Giants signed free agent LHP Marvin Brown to a minor league contract. |
| 01/14/19 | San Francisco Giants signed free agent LHP Derek Holland. |
| 01/05/19 | Baltimore Orioles traded 2B Breyvic Valera to San Francisco Giants for cash. |