The Angels led 6-2 entering the ninth inning, but Oakland scored three runs to draw within one.
With two outs and the bases loaded, Athletics first baseman Ike Davis hit a fly ball to center field.
Trout ranged back and leapt near the warning track to snag the ball before hitting the wall. After completing the catch, Trout pumped his fist in celebration.
[via Vine user Vinnyviner]
At the plate, Trout recorded two hits and two walks. The win improved the Angels to 11-11 and dropped the Athletics to 9-14.