Pedroia, Kevin Youkilis and Darnell McDonald had three RBIs apiece for the Red Sox, who have won 13 of 15. The run includes a 16-inning, 1-0 win over Tampa Bay on Sunday night in which Boston had only five hits.
The Red Sox had 16 hits in their seventh straight victory over the Orioles. Boston has outscored Baltimore 61-32 during that span.
Pedroia hit a tiebreaking two-run double off Mike Gonzalez (1-2) to make it 9-7.
J.J. Hardy and Adam Jones homered for the Orioles, who have lost 10 of 12.
Dan Wheeler (2-1) got the win with 2 1-3 innings of no-hit relief for starter Tim Wakefield .
In St. Petersburg, Florida, Russell Martin drew a bases-loaded walk with two outs in the top of the ninth to give New York the win.
Robinson Cano, Mark Teixeira , Brett Gardner and Eduardo Nunez also drove in runs for the second-place Yankees, who rallied from a 4-1 deficit to remain 1 1/2 games behind Boston in the AL East.
Rookie left-hander Alex Torres (0-1) yielded the winning run in his major league debut after New York loaded the bases on Curtis Granderson’s single, an intentional walk to Nick Swisher and another walk to Andruw Jones .
David Robertson (3-0) pitched a perfect eighth inning, striking out two to get the victory. Mariano Rivera worked a one-two-three ninth to earn his 24th save in 28 opportunities.
Rays rookie Alex Cobb allowed two runs and three hits after being called up from the minors to make his sixth major league start.
In Minneapolis, Lou Marson hit a tiebreaking solo homer in the seventh inning and Cleveland completed a doubleheader sweep with a 6-3 victory over Minnesota, kicking off a four-game series with two wins.
Marson doubled and scored in the fifth against Scott Diamond , who was making his major league debut for Minnesota. Fausto Carmona (5-10) came off the disabled list and won for only the second time in his last 12 starts, allowing two runs in six innings.
Asdrubal Cabrera hit a three-run homer to lift the Indians to a 5-2 win in the first game and added an RBI single in the second.
The Twins fell seven games behind the Indians.
Travis Hafner had two hits and two RBIs in the second game, and Michael Brantley finished with five hits.
Minnesota’s Joe Mauer had three hits in each game, but Carmona picked up where David Huff (1-0) left off. Returning from a strained right quadriceps muscle, Carmona allowed seven hits, struck out one and walked none.
The Twins couldn’t have expected too much more from their fill-in starters. Anthony Swarzak , summoned from the bullpen for the opener, pitched six innings, giving up four runs, three earned.
In Kansas City, Missouri, Mark Buerhle lasted seven innings in another impressive start, and Chicago capitalized on an error by Kansas City shortstop Alcides Escobar .
Buehrle (7-5) hasn’t allowed more than three earned runs in his last 14 starts dating to April 22. The veteran left-hander allowed five hits while winning for the first time since June 9. Buehrle struck out three and walked one.
Kyle Davies (1-9) was saddled with his eighth consecutive loss. Davies hasn’t won since beating Minnesota on April 13 and is 0-3 since going on the disabled list with inflammation in his right rotator cuff. He set a career high with nine strikeouts in 5 1-3 innings.
Escobar threw the ball away while trying to start a double play on a routine grounder with the game tied in the sixth inning. Mark Teahan followed run-scoring groundout and Juan Pierre hit an RBI double for a 4-2 lead.
