SAN FRANCISCO (Interstat) — Carson Whisenhunt pitched 5 2/3 innings of three-hit ball and Casey Schmitt homered and drove in two runs as the San Francisco Giants defeated the Colorado Rockies 8-2 on Thursday at Oracle Park. Attendance was 42,301, and the game lasted 2 hours, 46 minutes.

Colorado took a 2-1 lead in the fourth inning when Willi Castro hit a two-run homer. San Francisco answered in the bottom half with a run, then scored two in the fifth on an RBI double by Luis Arraez and a run-scoring single by Rafael Devers. The Giants broke the game open with four runs in the eighth, keyed by Schmitt’s run-scoring double, Devers’ ground-rule double and a two-run homer by Willy Adames.

Whisenhunt improved to 2-0, striking out four without a walk. Ryan Feltner absorbed the loss for Colorado, allowing four earned runs over 4 1/3 innings. The Rockies managed only five hits. Bryce Eldridge added a solo homer for San Francisco, which outhit Colorado 13-5.

The Giants improved to 39-54 while the Rockies fell to 38-57.