SAN FRANCISCO (Interstat) — Landen Roupp pitched five strong innings and Drew Gilbert homered and drove in two runs as the San Francisco Giants beat the Arizona Diamondbacks 6-1 on Thursday at Oracle Park.

Roupp (8-13) allowed one earned run and four hits with three strikeouts. Jose Cabrera (0-3) took the loss, allowing two earned runs and three hits with four strikeouts in 4 1/3 innings.

Gilbert gave the Giants a 1-0 lead with a solo homer in the first. Gabriel Moreno tied it with a solo shot in the fourth. Gilbert’s sacrifice fly in the fifth scored Christian Koss and put San Francisco ahead 2-1.

The Giants broke it open with four runs in the eighth. Bryce Eldridge doubled in Jung Hoo Lee, Jonah Cox singled in Rafael Devers, Turner Hill singled in Eldridge, and Shay Whitcomb’s sacrifice bunt scored Cox. The Giants finished with two sacrifice hits.

Taylor Clarke and Juan Burgos combined for 2 1/3 scoreless innings of relief for Arizona. Trent Harris threw two scoreless innings for San Francisco. San Francisco outhit Arizona 7-6. The Giants improved to 55-80, while Arizona dropped to 71-64. Attendance was 40,120, and the game lasted 2:33.