The Reds had lost five in a row, but they cooled off baseball's hottest team thanks to a seven-inning effort from Volquez (10-2). He allowed two runs on seven hits and struck out five.
Volquez leads the majors with a 1.71 ERA. Francisco Cordero came on in the ninth for his 14th save.
Jolbert Cabrera had a two-run double during Cincinnati's three-run fifth inning. He went four for four before leaving the game with a dislocated left index finger, suffered while making a headfirst slide while advancing on a wild pitch in the seventh.
Joey Votto added a homer among his three hits.
Mike Mussina suffered his first loss since May 20. Mussina (10-5) surrendered four runs on 10 hits in eight innings.
It was Cincinnati's first appearance in Yankee Stadium since the Reds swept New York in the 1976 World Series.
Aaron Carter is still in love with Hilary Duff
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