'Clay has gone from a logical target in free agency to a “must-get” for Whaley. The Bills cleared out cap space to do so by releasing last year’s starter at the position, Scott Chandler, and also let blocking tight end Lee Smith leave as an unrestricted free agent. That leaves the Bills with just two players with NFL experience on the roster in Chris Gragg and MarQueis Gray, as well as a project in former Canisius College basketball player Chris Manhertz.'