‘The problem was Bledsoe’s mobility, or lack of it. “We just felt that our offense needed a little more mobility,” Bills coach Mike Mularkey said. “Some of the things we like to do with running the quarterback and his ability to escape. Every year the pass rush just seems to get more fierce and faster, and we just felt we needed a little more mobility. We knew what we had with Drew. We think this is a step forward.”‘