As he dealt with nagging injuries last season and bounced between three teams, forward Omri Casspi learned not to fret over matters that are out of his control. Now, with a steady drumbeat of speculation about his potentially tenuous roster status rat-a-tat-tatting, Casspi prefers to tune out the chatter. His focus is on recovering from his sprained right ankle and getting a once-promising season back on track. "I believe that everything happens for a reason," Casspi said after Warriors practice Wednesday. "I'm trying to look at the glass half full.