OAKLAND, Calif. -- Khris Davis hit another big home run, Jharel Cotton pitched five shutout innings of one-hit ball and the Oakland Athletics extended their season-best winning streak to seven games with an 8-1 victory over the Texas Rangers on Sunday.
Texas got swept over three games at an inopportune time. The Rangers entered the series in contention for the second AL wild card, but fell 5 1/2 games behind Minnesota with a week left in the season. The Twins swept Detroit over four games this weekend.
The Rangers have lost eight straight in Oakland and 10 of 15 overall.
Cotton (9-10) struck out six and allowed one walk as he won his fourth straight decision.
Davis' 41st home run, projected at 445 feet by Statcast, came on a 1-1 changeup from starter Martin Perez (12-12). It highlighted a decisive five-run burst in the fifth inning for Oakland.
A's pitchers held the Rangers scoreless for a season-high 21 consecutive innings in the series -- their previous best was 16.
Aside from Mazara's homer, the Rangers didn't advance a runner into scoring position. They were 0 for 7 in that department in the series.
A's catcher Bruce Maxwell took a knee during the national anthem for the second straight day. On Saturday, he became the first major league baseball player to participate in the protest movement.
Rangers: Interim manager Steve Buechele said it wasn't known when manager Jeff Banister will rejoin the team. Banister flew to Texas on Saturday morning to be with his ailing mother Verda, who lives in Clear Lake.
Athletics: OF Chad Pinder was out of the lineup for a second straight day and has entered concussion protocol, and it's not clear whether he'll be cleared to play before the end of the season, manager Bob Melvin said. Pinder suffered injuries previously thought to be whiplash after crashing into the center-field wall on Friday. He was sent home Saturday after his symptoms worsened. ... OF Boog Powell (knee) is on roughly the same timetable as Pinder. "There's a chance he might not play again, but we're holding out hope that he can," Melvin said. ... Maxwell is close to completing concussion protocol tests and could be behind the plate for Monday's game, Melvin said.
Rangers: RHP Andrew Casher (10-10, 3.44 ERA) will start Monday's series opener against Houston. He is 1-4 with a 4.06 ERA against the Astros in five starts this season. He'll be the first Rangers pitcher to start six games against the same opponent since 2012 (Yu Darvish, vs. the Los Angeles Angels).
Athletics: RHP Daniel Gossett (4-9, 5.38) will pitch Monday's series opener against Seattle. Gossett has lost three of his last four decisions and is 0-2 with a 6.75 ERA in two career starts against the Mariners.
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