(Oakland, CA) -- Marco Gonzales gave up six runs in six innings as the Mariners were blown out by the A's 9-2 in Oakland. Sam Tuivailala gave up two runs in an inning of work in his first game back after suffering an Achilles injury last season. Omar Narváez homered twice to account for Seattle's two runs. He finished 3-for-4, recording half of the M's six hits. Seattle has dropped five in-a-row.