I hadn't seen this particular highlight video of Mangum, it's pretty epic... it's obvious that this kid has all the tools to be a special passer at BYU. The evolution of Anae's GFGH system with Stewart at the helm gives me great hope that a pocket passer can thrive in GFGH and that the Tanner Mangum era could be special. I have no doubt that if Tujague continues to develop the O-line that Mangum will kill it. If you give this kid time he will absolutely shred defenses: