After sweeping the Rockies, the Giants take their three-game winning streak on the road and take on the Pirates.
Bruce Bochy has issued his lineup for the series opener.
Giants (30-51)
1. Denard Span (L) CF
2. Joe Panik (L) 2B
3. Hunter Pence (R) RF
4. Buster Posey (R) C
5. Brandon Belt (L) 1B
6. Brandon Crawford (L) SS
7. Jae-Gyun Hwang (R) 3B
8. Austin Slater (R) LF
9. Johnny Cueto (R) P
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Pirates (37-42)
1. Adam Frazier (L) 2B
2. Josh Harrison (R) 3B
3. Andrew McCutchen (R) CF
4. Josh Bell (S) 1B
5. John Jaso (L) LF
6. Gregory Polanco (L) RF
7. Jordy Mercer (R) SS
8. Chris Stewart (R) C
9. Gerrit Cole (R) P