Down two games to one, the Giants are set to wrap a four-game set against the Padres, hoping to break even.
Manager Bruce Bochy has set his lineup for Sunday's finale.
San Francisco Giants (3-3)
1. Nori Aoki (L) LF
2. Joe Panik (L) 2B
3. Buster Posey C
4. Brandon Belt (L) 1B
5. Brandon Crawford (L) SS
6. Justin Maxwell RF
7. Gregor Blanco (L) CF
8. Matt Duffy (R) 3B
9. Jake Peavy (R) P
San Diego Padres (3-3)
1. Wil Venable (L) CF
2. Yangervis Solarte (S) 1B
3. Matt Kemp (R) RF
4. Justin Upton (R) LF
5. Yonder Alonso (L) 1B
6. Will Middlebrooks (R) 3B
7. Alexi Amarista (L) SS
8. Will Nieves C
9. Tyson Ross (R) P
