Toronto Raptors point guard Fred VanVleet (back) is questionable for Thursday's matchup against the Grizzlies. Lower back stiffness forced VanVleet to make an early exit against the Clippers on Tuesday and he could now miss his seventh game of the season. Gary Trent Jr. looks set to take over VanVleet's spot in the starting unit if he can't play on Thursday and Malachi Flynn will have an opportunity to log extended minutes. Flynn has only recently found his way back to the regular rotation ...