SEATTLE (Interstat) — Walker Buehler pitched five strong innings and Nick Castellanos hit a three-run homer to lead the San Diego Padres to a 7-4 victory over the Seattle Mariners on Saturday at T-Mobile Park. Buehler allowed two earned runs on five hits with six strikeouts to improve to 3-2. Jeremiah Estrada earned his first save with a scoreless inning. Logan Gilbert took the loss, surrendering seven runs on five hits over 6 2/3 innings, dropping to 2-4. San Diego broke open a scoreless game with four runs in the fourth inning. Castellanos’ homer to center field capped the burst, scoring Xander Bogaerts and Miguel Andujar. Rodolfo Duran added a two-run homer in the seventh. Seattle scored single runs in the fourth and fifth innings and two in the eighth on a forceout by Cole Young. The Padres improved to 27-18; the Mariners fell to 22-25 before a crowd of 44,207. The game lasted 2 hours, 52 minutes.