Giants Roster & Staff
Transactions
| Date | Transaction |
| 02/28/19 | RHP Dillon McNamara assigned to San Francisco Giants. |
| 02/28/19 | RHP Brandon Beachy assigned to San Francisco Giants. |
| 02/28/19 | LHP Fernando Abad assigned to San Francisco Giants. |
| 02/27/19 | RHP Rodolfo Martinez assigned to San Francisco Giants. |
| 02/27/19 | RHP Chase Johnson assigned to San Francisco Giants. |
| 02/26/19 | San Francisco Giants signed free agent RHP Yoanys Quiala to a minor league contract. |
| 02/26/19 | RHP Carlos Sano assigned to San Francisco Giants. |
| 02/26/19 | C Ronnie Freeman assigned to San Francisco Giants. |
| 02/25/19 | LHP Sam Moll assigned to San Francisco Giants. |
| 02/25/19 | RHP Ryan Halstead assigned to San Francisco Giants. |
| 02/25/19 | RHP Tyler Herb assigned to San Francisco Giants. |
| 02/24/19 | RHP Tyler Rogers assigned to San Francisco Giants. |
| 02/24/19 | RHP Tyler Rogers roster status changed by San Francisco Giants. |
| 02/24/19 | RHP Dan Slania assigned to San Francisco Giants. |
| 02/23/19 | SS C.J. Hinojosa assigned to San Francisco Giants. |
| 02/23/19 | SS Manuel Geraldo assigned to San Francisco Giants. |
| 02/22/19 | San Francisco Giants designated RHP Jake Barrett for assignment. |
| 02/22/19 | San Francisco Giants claimed SS Hanser Alberto off waivers from Baltimore Orioles. |
| 02/19/19 | Baltimore Orioles claimed LHP Josh Osich off waivers from San Francisco Giants. |
| 02/18/19 | San Francisco Giants signed free agent LF Cameron Maybin to a minor league contract and invited him to spring training. |
| 02/18/19 | San Francisco Giants signed free agent 3B Yangervis Solarte to a minor league contract and invited him to spring training. |
| 02/14/19 | San Francisco Giants invited non-roster OF John Andreoli to spring training. |
| 02/14/19 | Abiatal Avelino changed number to . |
| 02/14/19 | San Francisco Giants signed free agent LF Gerardo Parra to a minor league contract and invited him to spring training. |
| 02/13/19 | San Francisco Giants signed free agent RHP Jandel Gustave to a minor league contract and invited him to spring training. |
| 02/13/19 | San Francisco Giants placed RHP Johnny Cueto on the 60-day injured list. |
| 02/13/19 | Washington Nationals traded RHP Trevor Gott to San Francisco Giants for cash. |
| 02/12/19 | San Francisco Giants designated LHP Josh Osich for assignment. |
| 02/12/19 | San Francisco Giants claimed Jose Lopez off waivers from Cincinnati Reds. |
| 02/12/19 | San Francisco Giants signed free agent C Rene Rivera to a minor league contract and invited him to spring training. |
| 02/12/19 | San Francisco Giants signed free agent C Stephen Vogt to a minor league contract and invited him to spring training. |
| 02/08/19 | San Francisco Giants sent RHP Derek Law outright to Sacramento River Cats. |
| 02/08/19 | San Francisco Giants sent RF John Andreoli outright to Sacramento River Cats. |
| 02/05/19 | San Francisco Giants designated RF John Andreoli for assignment. |
| 02/05/19 | Arizona Diamondbacks traded RHP Jake Barrett to San Francisco Giants for cash. |
| 02/01/19 | San Francisco Giants designated Derek Law for assignment. |
| 02/01/19 | San Francisco Giants claimed RF John Andreoli off waivers from Texas Rangers. |