Programming note: Giants-Nationals coverage starts today at 2:30 p.m. with Giants Pregame Live on CSN Bay Area.
In Jake Peavy's return to the hill, Buster Posey will not be catching him, but will play first base while Brandon Belt is sitting vs. the Nationals.
San Francisco Giants (42-38)
1. Angel Pagan (S) CF
2. Joe Panik (L) 2B
3. Matt Duffy (R) 3B
4. Buster Posey (R) 1B
5. Andrew Susac (R) C
6. Brandon Crawford (L) SS
7. Justin Maxwell (R) RF
8. Gregor Blanco (L) LF
9. Jake Peavy (R) P
Washington Nationals (43-36)
1.