SAN DIEGO (Interstat) — Walker Buehler struck out seven over five innings and Fernando Tatis Jr. drove in two runs as the San Diego Padres completed a three-game sweep of the Seattle Mariners with a 5-2 victory Thursday at PETCO Park.

Buehler allowed two runs on five hits to earn the win. The Padres scored four times in the second inning off Seattle starter Luis Castillo, highlighted by Tatis Jr.’s two-run single. Mason Miller struck out the side in the ninth for his sixth save.

The Mariners scored both runs in the sixth. Cal Raleigh and Julio Rodríguez had RBI singles. Castillo took the loss, allowing one earned run over 5 1/3 innings.

Attendance was 39,008. The game took 2 hours, 43 minutes. The Padres (13-6) have won five straight. The Mariners (8-12) have lost three in a row.