Rosen is consistent with his mechanics , as he sets up quickly with good balance while holding the ball chest - high .
A large portion of Rosen 's tape shows him working from shotgun , but he 's capable of dropping back with good quickness from center .
Rosen is consistent with Rosen 's mechanics , as he sets up quickly with good balance while holding the ball chest - high .
A large portion of Rosen 's tape shows him working from shotgun , but he 's capable of dropping back with good quickness from center .