Buffalo Bills defensive tackle Marcell Dareus (99) celebrates after an NFL football game against the Miami Dolphins on Sunday, Dec. 22, 2013, in Orchard Park, N.Y. Buffalo won 19-0. (AP Photo/Gary Wiepert)

Bills DT Dareus back at training camp

Rod Giddens wrote in an email to The Associated Press on Monday that Dareus was allowed to enter the program during a hearing at Cleburne Co…