I am a huge Penn State fan and have been on the fence about Clark at the next level. After the LSU game, I feel a little better than I have before. He hasn't been the greatest of passers but he has flashed ability in that area. He is smart and that's a huge plus for him, he knows when to take off and run and when to hang in the pocket. Like you said, he is a 230 pound mass of muscle and can move.
I would definitely pick him up in the later rounds if we have a shot at him, but I wouldn't bank on him becoming a full-time starter. Definitely has potential and the leadership ability to succeed, IMO.