SAN DIEGO (Interstat) — Merrill Kelly tossed seven innings of three-hit ball as the Arizona Diamondbacks defeated the San Diego Padres 3-1 on Thursday at PETCO Park.

Arizona scored single runs in the fourth, fifth and sixth innings. Nolan Arenado hit a solo home run, and Geraldo Perdomo drove in Tommy Troy with a ground-ball single in the fifth. Manny Machado hit a solo homer for San Diego in the second.

Kelly (7-8) struck out six and allowed one earned run. Paul Sewald earned his 21st save with a perfect ninth, striking out two. Griffin Canning (1-7) took the loss, allowing two earned runs on seven hits over 4 2/3 innings.

The Diamondbacks outhit the Padres 8-3. San Diego grounded into two double plays. The attendance was 39,270. The game lasted 2 hours, 34 minutes.

Both teams are now 46-47. Arizona snapped a two-game losing streak against San Diego, which had won the previous two games of the series.