Chris Tillman pitched eight innings of one-hit ball, Ryan Flaherty hit his first career grand slam and the Baltimore Orioles beat the Boston Red Sox 9-1 Friday night to secure their grip on the top AL wild-card spot.
Chris Davis also homered for the Orioles, who kept the heat on the first-place New York Yankees in the AL East. Baltimore started the day one game behind the Yankees, who played a late game in Toronto.
Tillman (9-2) gave up a bunt single to leadoff hitter Scott Podsednik, then allowed only two walks the rest of the way in his longest outing since July 4. The right-hander retired the final 14 batters he faced, and the only run he allowed was unearned.
Troy Patton worked the ninth to complete the one-hitter.
It was the 90th win for the Orioles, who went 69-93 last year. If Baltimore wins three of its last five games it will make the postseason, regardless of how the other contenders fare.
Boston has lost 14 of 20. Starter Aaron Cook (4-11) went one-plus innings, allowing six runs, five hits and three walks. Only 18 of his 42 pitches were strikes.
Flaherty, a Rule 5 rookie, became the latest in a long line of heroes during the Orioles’ improbable season. He was batting .225 with five homers and 14 RBIs in 72 games before connecting to cap a six-run first inning that included a two-run drive by Davis.
Flaherty also doubled in a run in the fifth. The five RBIs were two more than his previous career high, and it was only the third time he drove in more than one run in a game.
Baltimore has hit nine homers in its last two games and has 122 at home, eclipsing the single-season record of 121 set in 1996.
In addition, the Orioles reached a positive run differential — 697-690 — for the first time since June 24.
Boston scored an unearned run in the first inning. Podesdnik bunted to the right side and reached second when Flaherty’s throw went wide of first baseman Mark Reynolds. Two batters later, Dustin Pedroia hit a sacrifice fly.
In the bottom half, Nate McLouth singled on Cook’s first pitch and Davis hit a drive into the right-field seats. After two singles and a walk loaded the bases, Flaherty sent a 2-1 breaking ball deep into the night for a 6-1 lead.
Successive doubles by Reynolds, Manny Machado and Flaherty, along with an RBI single by Taylor Teagarden, made it 9-1 in the fifth.
NOTES: Orioles C Matt Wieters wasn’t at the ballpark after his wife gave birth to the couple’s first child, Maverick Luther, earlier in the day. ... Red Sox CF Jacoby Ellsbury, out since Sept. 20 with an unspecified injury, could return to the lineup as soon as Saturday, Red Sox manager Bobby Valentine said. ... Orioles rookie Steve Johnson (4-0) will start for the Orioles on Saturday night against Felix Doubront, who’s got a 2.08 ERA in three starts against Baltimore this year. ... The crowd of 33,518 boosted home attendance for the season over 2 million for the first time since 2007. ... Cook is 0-3 with an 11.93 ERA in four starts against the Orioles in 2012.