‘New head coach Chan Gailey recognized that the Bills have a severe lack of experience and depth, and early in camp, he sees that it’s going to be a long haul. “We’ve got work to do, that’s what I’ve noticed,” he said. “We’re getting better. I think we have a pretty good mindset, a tough mindset, but at the same time we’ve got a lot of work to do in the technical aspects, more so in the pass game than in the run game.”‘