New York Yankees starter A.J. Burnett works against the Oakland...

New York Yankees starter A.J. Burnett works against the Oakland Athletics in the first inning of a baseball game. (June 1, 2011) Credit: AP

OAKLAND, Calif. -- A.J. Burnett set what appeared would be the tone Friday night for this Yankees West Coast trip, helping to cough up the lead to the Mariners in a frustrating loss.

Wednesday afternoon he continued what seems to be a course correction engendered by the rotation.

Burnett turned in the fourth consecutive good outing by a Yankees' starter, leading to a 4-2 victory over the A's that completed a three-game sweep at Coliseum.

"We have five guys here that can go out and give our team a chance to win and we've done that," Burnett said. "You definitely feed off one another 100 percent . . . "

Burnett (6-3, 3.86), after lasting only five innings Friday, went seven innings Wednesday, allowing two runs and three hits as the Yankees won their season-high fourth straight after dropping the first two games of the nine-game trip.

The Yankees have won 10 in a row over the A's, and 24 of 28.

Burnett had been winless in his last 11 road starts, 0-5 with a 5.64 ERA in that span.

The Yankees trailed 2-1 in the fourth, the result of Josh Willingham's two-run homer in the bottom of the first, when Nick Swisher hit a three-run home run that made it 4-2.

"Huge hit," Joe Girardi said of Swisher's fourth homer of the season and second of the trip.

Derek Jeter doubled -- career hit No. 2,984 -- and scored in the first against Gio Gonzalez (5-3, 2.49) to give his team the early lead. Gonzalez came in 5-2 with a 2.17 ERA but allowed four runs in 61/3 innings.

The Yankees (31-23) are off Thursday before starting a three-game series in Anaheim tomorrow night against the Angels.

"It's nice," Girardi said. "The guys feel good about themselves, they can enjoy themselves [Thursday] and rest and relax and get back to work on Friday."

Thanks to the efforts of the starters -- starting Sunday in Seattle with CC Sabathia and continuing Monday with Bartolo Colon and Tuesday with Freddy Garcia -- Girardi had a well-rested bullpen Wednesday.

Joba Chamberlain gave up back-to-back, one-out singles in the eighth before snaring Conor Jackson's soft liner, the start of a 1-3 double play. Mariano Rivera, who took the loss Saturday night in Seattle, worked a perfect ninth for his 14th save.

"It started with CC on Sunday," said Alex Rodriguez, who went 2-for-4, including a double to score Jeter in the first. "That was a big game for us to start turning things around. We've gotten good pitching, we've gotten some timely hitting and contributions from everyone."

After Swisher's homer, Burnett responded with a 1-2-3 bottom of the fourth. Burnett allowed Coco Crisp's two-out triple in the fifth but induced a David DeJesus groundout.

Burnett was at 57 pitches after three innings but needed just 31 his final three frames.

He said his four-seam fastball wasn't good for him and he adjusted by throwing more two-seamers and going back to the former when he was ahead in counts. His curveball and changeup also were effective.

"My changeup was big today against lefties," Burnett said. "Early on I battled, threw a lot of pitches, but I still have to stay in there as long as I can."

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