I wouldnt put more than 20 on him which is doable.
He can play here at a solid 6'2 225-230. He has a pretty big lower body with chance to add some up top. I would keep him around the 220-230 range
He has a bigger frame. Brantley is more sudden, and likely better after the catch. Brantley i would put on the move.
Brantley will be alot like Charles Clay is in the nfl but Brantley actuallly has a route tree of a wr.