The lead traded hands six times in the second until Canty's 3-pointer at 11:02 put Marshall up 54-53, sparking a 9-2 run and a 60-55 lead. FIU's Dennis Mavin made it a four-point game with a free throw at 2:06, but Marshall finished on a 9-1 run.
Maryland point guard Melo Trimble, considered a lock to leave the program before struggling in the second half last season, has withdrawn from the NBA draft and will return for his junior season.
Louisville's Chinanu Onuaku, who recently underwent a medical procedure to correct a heart rhythm issue detected during the combine, will keep his name in the NBA draft pool.
Andrew White III will return to the Nebraska men's basketball team next season after removing his name from the NBA draft.