I just peeked at this and found it pretty surprising:
- Shohei Ohtani 3.6
- Will Smith 3.3
- Andy Pages 3.0
- Mookie Betts 2.7
- Max Muncy 2.3
- Freddie Freeman 1.9
- Teoscar Hernandez 1.6
- Tommy Edman 1.5
- Michael Conforto -1.1
For substitutes, Hyeseong Kim leads with a 1.1 WAR. Kiké Hernandez has a 0.6 (better than I expected!), and Miguel Rojas and Dalton Rushing each have 0.3.
Austin Barnes was -0.3 and Chris Taylor was -0.6.
From a pitching perspective, Yoshinobu Yamamoto has a 1.