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Duane Burleson, Associated Press
Memphis Grizzlies' Rudy Gay (22) goes to the basket against Detroit Pistons' Tayshaun Prince in the first half of an NBA basketball game Friday, Jan. 20, 2012, in Auburn Hills, Mich.

AUBURN HILLS, Mich. — Rudy Gay scored 24 points and the streaking Memphis Grizzlies held off a second-half rally by Detroit to beat the Pistons 98-81 on Friday night.

The Grizzlies, who have won five straight, led by 23 in the third quarter before the Pistons fought back. Detroit cut the deficit to six in the fourth, but Memphis pulled away after that.

Rookie guard Brandon Knight scored 22 points for Detroit, which has lost 10 of 11.

Marc Gasol added 17 points for Memphis, and Mike Conley had 14 points and 11 assists.

Tayshaun Prince scored 14 for the Pistons, and Greg Monroe had 10 points and 13 rebounds.