e Wildcats' 21-3 run to start the second half. Randolph banged into Arenas as he picked off the ball."I thought he had separated his shoulder,"' Arizona assistant coach Jim Rosborough said.Arenas managed to dunk at the end of the play, then left the game. He came back later but was in obvious pain after the game and unavailable for interviews.Arenas finished making 4 of 7 shots, 3 of 4 free throws for 12 points. But he had seven assists and only one turnover to go with his six steals in 27 minutes."There are other things you can do besides shoot," Arenas said in reference to his intangibles that helped the Wildcats win.Arizona coach Lute Olson played down the significance of the injury on Sunday."He should be fine," Olson said. "He came back in the game and it didn't seem to hamper him."Arenas, a sophomore, averages 16 points a game. He told reporters Sunday he was glad to have another day to recover."It will help me a lot," he said. "Right now I'm a little sore, but going into tomorrow I think I'll be 100 percent." Tue, May 2Monday night's game figures to be a thriller. Duke and Arizona are the two best teams in America. Here's my breakdown for the championship clash:Player-by-Player matchups The Wildcats hadn't decided, or were saying, what kind of defense they would use against Duke as of Monday afternoon. But one thing they're certain of is they've got to mix up their approach like they did to Michigan State."We've got to keep them off balanced," John said. "We'll probably play a little bit of everything (man, zone, fullcourt press)."The tough thing for Arizona is where to put Loren Woods and Michael Wright. Duke makes matching up with it difficult because only one player -- Carlos Boozer or Casey Sanders -- will play inside exclusively. The other four -- Shane Battier, Duhon, Williams, Dunleavy or Nate James -- will be facing the basket most of the time. Battier poses the toughest matchup. The athletic 6-7 Richard Jefferson...