And will the QB have an iPod velcroed to his wrist during the game?
Why not all the players? The QB could have a wireless router inside his helmet. Change the play with a twitch of his toe.
Keep going - everyone has a heads-up display wired through their helmet, with a dedicated skybox coach showing them weaknesses, patterns and opportunities in real time as each play progresses, as well as the most recent medical and ability statistics and weak spots for each opponent they face!