SEATTLE (Interstat) — Zack Gelof homered in the first inning and Donovan Walton added a pinch-hit home run in the sixth as the Athletics defeated the Seattle Mariners 7-4 on Thursday at T-Mobile Park.

The Athletics scored one run in the first, second, sixth, eighth and ninth innings and two in the fifth. Seattle took an early 3-1 lead with three runs in the first, but the Athletics chipped back. Lawrence Butler delivered a two-run single in the fifth inning, putting the Athletics ahead for good. Seattle scored once in the sixth, but the Athletics responded with solo runs in the eighth and ninth.

The visiting team collected 14 hits while the Mariners had nine. Scott Blewett earned the win with two scoreless innings of relief. Kade Anderson took the loss after allowing four runs over five innings. Hogan Harris pitched a scoreless ninth for his 14th save.

Attendance was 27,368. Game time was 3:23. The Athletics improved to 55-86; the Mariners fell to 66-75.