UCLA got Reeves Nelson back just in time. A week ago at Arizona, the Bruins blew a 14-point lead and lost without their tough-nosed freshman. He returned Thursday after missing four games, scoring 19 points and grabbing 10 rebounds in UCLA's 75-69 victory over the Wildcats, a Pac-10 Conference tournament quarterfinal between two powerhouses that once ruled the league but have struggled this...