MEMPHIS, Tenn. - Robert Dozier had 18 points, Chris Douglas-Roberts scored 17 and second-ranked Memphis beat No. 17 Arizona 76-63 on Saturday night, the third time the Tigers have knocked off a ranked opponent this season.

Memphis forward Chris Douglas Roberts (14) drives to the basket past Arizona forward Chase Budinger, left, and and guard Daniel Dillon (12) in the first half of a college basketball game Saturday, Dec. 29, 2007, in Memphis, Tenn. (AP Photo/Lance Murphey)

Shawn Taggart added 15 points and seven rebounds to help the Tigers (11-0) match the second-best start in school history, dating to the 1982-83 season.

Chase Budinger had 20 points, and Jordan Hill battled foul trouble to score 14 for the Wildcats (9-3), whose six-game winning streak ended.

Memphis coach John Calipari scheduled tougher opponents this season to help offset the Conference USA schedule his Tigers begin playing in January. Apparently it hasn't been tough enough.

Memphis has rolled through the thick of its daunting nonconference schedule this season much like it has through C-USA in years past: untouched.

The Tigers already have defeated three ranked opponents — Arizona, Georgetown, Southern California — as well as perennial powers Oklahoma, Connecticut and Cincinnati.

The strong schedule should not only make the Tigers better come March, it may bolster their bid for a No. 1 seed in the NCAA tournament.

They still host Gonzaga on Jan. 26, and in-state rival Tennessee on Feb. 23. The Tigers went a perfect 16-0 against C-USA opponents last season.

The Wildcats suffered a huge blow before the game even began.

Arizona scoring lead Jerryd Bayless was sidelined with a sprained right knee he suffered in practice Friday and will be out an undetermined amount of time.

Arizona closed within 53-46 with 7:52 left on a dunk by Budinger, but that was as close as the Wildcats got. Memphis slowly added to its lead, and the Wildcats crumbled at the free throw line late.

Arizona was one of the few teams this season that tried to match the speed of Memphis.

The Wildcats played their fast-pace style, and didn't sit in a zone defense like most other teams had against Memphis' attack offense.

Arizona just didn't account for the Tigers' swarming defense.

The Wildcats were held without a field goal for more than 12 minutes in the first half, washing away an early 8-point lead on their way to shooting just 27.7 percent in the first 20 minutes.

Memphis went on a 21-2 run during that stretch to go ahead 34-24 at the break.