Getty Maxwell Hairston celebrates an interception. The Buffalo Bills have the top of their draft now wrapped up and ready for training camp, announcing on June 13 that first-round pick Maxwell Hairston signed his rookie contract. The Bills noted that Hairston and fourth-round pick Deone Walker both signed on Friday, the seventh and eighth players from this year’s draft class to officially ink their rookie deals. Hairston will have the chance to earn a starting spot in a secondary that saw some