I don't think that's the consensus yet. Howell just declared. On paper, Howell had a down year though.
I can see some clear mechanical issues with Howell. He pats the ball before he throws it every time. He'll need to clean that up in the pros.
Pickett doesn't have a traditional release either; he kinda flings the ball, but not sure if that's correctable. Think its just his style.