‘If the Bills don’t make a move to bring in a veteran linebacker, Posluszny’s departure will put the “draft ’em, and develop ’em, and win with ’em” philosophy to the test. Posluszny’s successor could very well be rookie Kelvin Sheppard, while another rookie, Marcell Dareus, will be tasked with occupying enough blockers to let the linebackers roam free.’