- Associated Press - Wednesday, September 8, 2010

NEW YORK | Minus their star catcher, the New York Yankees waited at home plate in a merry pack of pinstripes as Nick Swisher circled the bases following his game-winning home run.

Jorge Posada was missing — but he could be back soon.

Swisher hit a two-run homer off Koji Uehara in the bottom of the ninth inning Wednesday to give New York a 3-2 victory over the Baltimore Orioles that was soon tempered by news of Posada’s aching head.

Following the game, Yankees manager Joe Girardi revealed that Posada felt concussion symptoms Tuesday night after getting hit by a foul ball. The switch-hitting slugger sat out Wednesday and was sent to New York-Presbyterian Hospital during the game to see a neurology specialist.

“Obviously, it’s a concern,” Swisher said.

A little while later, the Yankees announced tests came back negative and Posada was cleared to play. He is day to day and is expected to travel with the team on its upcoming road trip.

“He’s a big part of our ballclub and hopefully he’ll be back in the lineup in a couple of days,” Yankees outfielder Brett Gardner said before the results were announced.

Losing Posada would be a major blow to the AL East leaders, trying to repeat as World Series champions. Several big league stars have been sidelined by concussions for extended stretches this season, including Minnesota slugger Justin Morneau and New York Mets outfielder Jason Bay.

With the Orioles closing in on their first three-game sweep in the Bronx since 1986, Alex Rodriguez opened the ninth with a single on the first pitch from Uehara (1-1). Robinson Cano flied out and Swisher, hobbled by a stiff left knee, drove a 2-0 pitch to the opposite field and into the Baltimore bullpen in left-center.

It was Swisher’s 26th home run of the season and his third career game-ending shot. The previous one came exactly a year before, against Tampa Bay’s Dan Wheeler.

“I guess it’s my day,” Swisher said. “It’s a monster win for us.”

Swisher began the day in an 0-for-14 slide before getting two hits. He raised his arms as he rounded first base in the ninth and tossed his helmet high in the air as he approached a mob of jubilant teammates waiting for him at home plate.

Moments later, Swisher took the familiar whipped cream pie in the face from pitcher A.J. Burnett.

“Was the whipped cream fresh? They hadn’t done it in a while,” Girardi said.

Matt Wieters hit a two-run homer and Brad Bergesen pitched 6 1-3 impressive innings for Baltimore.

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