On May 17, 2011 — The battle for AL West supremacy ends in a knock-out. Oakland romps over Los Angeles, 14 – 0, as Gio Gonzalez pitches 7 one-hit innings. Mark Ellis has 3 hits and 4 RBI for the A’s while Tyler Chatwood has the worst start of his young career, giving up 7 runs in 2 1/3 innings.
Source:
Baseball Reference May 17