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Jeffrey Phelps, Associated Press
Milwaukee Bucks' Corey Maggette, left, is fouled by San Antonio Spurs' George Hill, right, in the second half of an NBA basketball game Wednesday, Jan, 12, 2011, in Milwaukee.

MILWAUKEE — Reserve Matt Bonner scored all 17 of his points in the second half, Manu Ginobili added 23 and the San Antonio Spurs beat the Milwaukee Bucks 91-84 on Wednesday night for their fourth straight win.

The Spurs improved the NBA's best record to 33-6 despite a pace more fitting to the grinding Bucks, who came in as the worst shooting and lowest scoring team in the league.

Trailing by two, Bonner sparked an 11-2 run after hitting two 3-pointers and a floater that gave San Antonio a 79-72 lead with 8:32 left. When Milwaukee cut it to three late, Bonner answered with a 15-footer with 57 seconds to play that halted the Bucks' rally.

John Salmons scored 17 and Andrew Bogut had 15 points and 14 rebounds for the Bucks, losers of four of their last five.