‘Davis is a four-year NFL veteran whose production suggests he’s a No. 4 receiver candidate. After three unsatisfying years with the Cleveland Browns, Davis saw spot duty last year with New England. He said he was encouraged to come to Buffalo by Bills quarterback Kelly Holcomb, his former teammate with the Browns. “Kelly was probably the biggest influence on me coming here,” Davis said. “He’s a close friend of mine. He was recruiting me.”‘