'"I'm here, I'm ready to go," Bush said. "I'm not sure how much I'll do at practice, but I'll definitely be out there learning, getting used to the verbiage from the play calling standpoint and just gaining experience about the new system. I guess the good thing is I've been around long enough to where I've pretty much been through every offensive system possible so I'm sure that there's nothing in this system that's going to surprise me or be too difficult."'