NEW YORK—Jorge Posada hit a game-winning RBI single in the 12th inning to lift the New York Yankees to a 6-5 victory over the Toronto Blue Jays on Saturday.

With one out and runners on first and second, Posada lined a 1-1 pitch from Shawn Camp into center field. Alex Rodriguez scored without a play as the Yankees poured out of the dugout to congratulate Posada near first base.

The Yankees have won nine of 10 to move a season-best 14 games above .500 and pull within a game of AL East-leading Boston, which lost 3-2 to Seattle on Saturday. Brett Tomko (1-2) pitched a score...

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