MLB roundup: A`s pull closer to Astros with walk-off win
(Reuters Sports)

Matt Olson homered off left-hander Tony Sipp leading off the bottom of the 10th inning Friday night, completing a comeback that delivered the Oakland Athletics a 4-3 win over the Houston Astros in the opener of a three-game series between the top two teams in the American League West in Oakland, Calif.