Hernandez surrendered a pair of home runs to the hot-hitting Marcus Semien but allowed just three other hits on the day. His teammates came through with a three-run fourth inning -- highlighted by doubles from Kyle Seager and Dustin Ackley -- against Oakland starter Jesse Chavez, who allowed four runs in 6 2/3 innings.
Catcher Stephen Vogt hit his team-leading eighth home run in the ninth inning for the A's, who have lost five straight to fall nine games under .