Rooker's homer powers A's to walk-off win in extra innings in Oakland - Athletics Nation
Marcus Semien and Corey Seager hit back-to-back home runs in win
Oakland A's Game #1: Opening Day walk-off! Matt Olson grand slam in 10th lifts A's to 7-3 victory over Angels - Athletics Nation
Rangers Walk-Off to Beat A's - Last Word On Baseball
Marcus Semien On Hitting Game-Winning Home Run
World Series Game 3: Max Muncy's walk-off lifts Dodgers over Red Sox in 18 innings
Brent Rooker's walk-off homer lifts A's over Rangers
Marcus Semien and Corey Seager hit back-to-back home runs in win
Semien's 3-run HR powers Jays to walk off win
While Marcus Semien's bat gradually warms up, another aspect of his game has been sizzling