While much of the focus during the early days of Richard Barron’s tenure as University of Maine men’s basketball coach has involved the program’s six new recruits, the Black Bears may get an additional boost next winter from a player already familiar with the Orono campus. Vincent Eze, a 6-foot-8 center who started 24 games for UMaine two years ago but missed all of the 2017-2018 campaign while recovering from offseason surgery on both of his hips, is rounding back into form during informal workouts. “I’ve been scrimmaging and running with the guys, doing conditioning and everything else the other guys are doing,” Eze, a native of Nigeria who attended prep school in Connecticut, said. “I feel a little more explosive than I did in the past.