* = player not on 40-man roster)
Right-handed pitchers (25)
- Jeremy Beasley*
- Archie Bradley
- J.B. Bukauskas*
- Taylor Clarke
- Stefan Crichton
- Jon Duplantier
- Luis Frías*
- Zac Gallen
- Kevin Ginkel
- Josh Green*
- Junior Guerra
- Levi Kelly*
- Merrill Kelly
- Mike Leake
- Yoan López
- Corbin Martin
- Keury Mella*
- Joel Payamps
- Hector Rondón
- James Sherfy*
- Riley Smith
- Luke Weaver
- Taylor Widener
Left-handed pitchers (8)
- Madison Bumgarner
- Andrew Chafin
- Matt Grace*
- Tommy Henry*
- Joe Mantiply*
- Robbie Ray
- Blake Walston*
- Alex Young
Catchers (4)
Position Players (23)
- Nick Ahmed
- Seth Beer*
- Kole Calhoun
- Corbin Carroll*
- Kevin Cron
- Dominic Fletcher*
- Jon Jay*
- Jake Lamb
- Ketel Marte
- Starling Marte
- Wyatt Mathisen
- David Peralta
- Juniel Querecuto*
- Josh Rojas
- Pavin Smith*
- Alek Thomas*
- Trayce Thompson*
- Ildemaro Vargas
- Christian Walker
- Andy Young
The above players will need to be whittled down to 30 for Opening Day later in July, with numbers then being reduced to 28 and finally 26, as the season gets under way.