There's a freshman walk-on joining the team. I guess he already passed try-outs? Looking at the photo provided, if he's really 5'10 then Carsen Edwards must be close to 6'0 tall now:
https://purdue.n.rivals.com/news/purdue-adds-new-freshman-walk-on-to-roster
https://purdue.n.rivals.com/news/purdue-adds-new-freshman-walk-on-to-roster