Wallace to sideline</p> <div class='quotetop'>QUOTE </div><div class='quotemain'></p> Celtics rookie forward Brandon Wallace will be out two weeks with an injury to his right wrist. The 6-foot-9-inch, 206-pounder suffered a carpal injury when he was undercut while taking a shot against Anaheim last Wednesday in an NBA Development League game in Utah.</p> Celtics trainer Ed Lacerte will monitor Wallace's treatment and therapy at the team's Waltham facility.</div></p>