ARLINGTON, Texas -- C.J. Wilson understood why Texas manager Ron Washington wouldn't give him a shot at his second consecutive shutout.
Wilson scattered five singles over eight shutout innings, Adrian Beltre homered twice to reach 301 for his career and the AL West-leading Rangers beat Oakland 8-1 on Sunday to eliminate the Athletics from playoff contention.
Wilson (16-6) struck out 11 and walked one, following up on his first career shutout -- an 8-0 win at Tampa Bay last Tuesday.
Wilson set a career high for victories and wanted a complete game, but Washington pulled his ace after 111 pitches.
Washington is trying to avoid extra stress on Wilson's left arm down the stretch, and Wilson agreed with his manager to take a long-term approach and stay in the dugout with an 8-0 lead.
"He understands," Washington said. "He's the guy in our rotation who's going every fifth day."
Wilson threw an assortment of pitches to a lineup that included late-season call-ups and reserves.
"I threw six different pitches," Wilson said. "All of them were good. A high fastball, a sinker, a sidearm fastball that I used the last couple of innings, my curve and slider were good and my changeup. You can't just go out there and throw heaters; they'll figure that out."
Beltre has seven homers in his last eight games against Oakland and 15 RBIs against the A's this season.
Commenting on reaching 300 career homers, Beltre said, "It means I've been playing for a long time. I'm proud of that. It's something not many guys can do."
The Rangers extended their division lead over second-place Los Angeles to 2½ games when the Angels were beaten by the New York Yankees 6-5.
Outman, whose previous three appearances came in relief, was making his ninth start of the season, first since July 2.
The Rangers broke up a scoreless game in the fifth when Gentry led off with his first career triple and Kinsler drove him in with a single.
Kinsler advanced to second on his 23rd straight stolen base, tying his club record, moved to third on a groundout and scored on Josh Hamilton's sacrifice fly.
Michael Young reached on an infield single and Beltre followed with a two-run homer to left field. Beltre also doubled in the second to extend his hitting streak to 16 games.
"It's always a good-hitting lineup, especially in this park, no matter what nine they throw out there," Outman said. "I battled through the first four innings, then in the fifth I was a little leg-weary. I felt like every mistake I made, they capitalized on."
Beltre led off the seventh against Andrew Carignan with his 23rd homer for his 22nd career multihomer game.
Later in the seventh, Gentry and Elvis Andrus had RBI singles to make it 7-0.
Wilson fell one short of matching his career high for strikeouts. He has six games of 10 or more strikeouts this season, the most for the Rangers since Nolan Ryan's six in 1991. ... Beltre is the 13th active player with 300 homers and 2,000 hits. ... The A's called up OF Jai Miller from Triple-A Sacramento and had him in the starting lineup. Miller spent the season with Sacramento, batting .276 with 32 homers and 88 RBIs in 110 games. He was acquired by Oakland off waivers in April from Kansas City. ... X-rays showed no fracture in Oakland OF Coco Crisp's lower leg injury. He was out of the lineup for the second consecutive day, and Crisp probably won't play in the home series against the Angels from Monday to Wednesday. ... Oakland 1B Brandon Allen is in an 0-for-18 slide. He was hitless in three at-bats, all strikeouts against Wilson.