I'm not saying he can't get better, but Robinson is far from a sure thing as the Tigers' starter next year.
https://www.espn.com/college-football/player/_/id/4241784/shawn-robinson
If Powell were anything more than a stop game, they'd let him do more when he got on the field. I'm not sure he's D-I capable.
Bazelak ... I have no idea.