He lacks the stiffness that generally comes with players his size.
A sleek runner, Staley is a threat to make big plays with his feet when he elects to tuck it and go.
Mechanically Staley still has some work to do, but he does a nice job in the vertical passing game and he shows very good zip in the underneath and intermediate routes.
Staley is not a prototypical pocket passer. With his athleticism and skill set, he appears to be better suited for a spread style offense that utilizes the zone read which makes him a threat on every single play.