Los Angeles Angels slugger Mark Trumbo was cleared to begin running and working out more aggressively at third base, a development that could give the team a more powerful look this season. Trumbo entered spring training rehabilitating from a stress fracture in his right foot, but a CT scan Tuesday night indicated the injury had fully healed. Until now, Trumbo's work at third base had been confined to fielding ground balls hit directly at him.