Shea Langeliers went 4-for-4 with a homer and Luis Severino pitched a dazzling 6 1/3 innings as the Athletics continued their season-long dominance of the Houston Astros with a 6-0 victory on Wednesday night at West Sacramento, Calif.

The Astros lost their seventh straight game against the Athletics and saw their American League West title hopes come to an end. The Seattle Mariners clinched the division crown with their victory over the Colorado Rockies shortly before Houston lost its fifth straight game.

Houston (84-74) stands one game behind another fading team, the Tigers, for the final AL wild-card spot. Detroit (85-73) has dropped eight straight games.

Tyler Soderstrom also homered and joined Langeliers and Brent Rooker with two RBIs apiece as the A's (75-83) improved to 8-4 agains

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