SEATTLE -- Coco Crisp hit a two-out homer in the 10th inning to help the Oakland Athletics overcome a dominant outing from Seattle ace Felix Hernandez and beat the Mariners 2-1 Sunday to sweep the three-game series.
Hernandez struck out 10 over seven scoreless innings, allowing three hits and two walks.
Oakland's Marcus Semien hit a homer to lead off the eighth against Joel Peralta, tying the game 1-1.
Crisp hit his no-doubter to right field off Nick Vincent (1-1).
John Axford (1-0) pitched a scoreless ninth and Sean Doolittle struck out two in the 10th to earn his first save.