ORCHARD PARK — Men the size of Travis Clayton shouldn’t be able to move the way he does nor as gracefully. At 6-foot-7 and 300 pounds, Clayton runs the 40-yard dash in 4.81 seconds and has a 26-inch vertical jump. He might be pound-for-pound the most athletic player the Buffalo Bills have on their roster. But every moment Clayton spends thinking about where he is supposed to go, his size and ...