FILE - This July 29, 2012 file photo shows Buffalo Bills' Torell Troup during NFL football training camp in Pittsford, N.Y. It's been eight months since Troup had surgery to have two discs fused to correct a nagging back problem, and the Bills defensive tackle still isn't sure when he'll be pain free. (AP Photo/David Duprey, File)
FILE - This July 29, 2012 file photo shows Buffalo Bills' Torell Troup during NFL football training camp in Pittsford, N.Y. It's been eight months since Troup had surgery to have two discs fused to correct a nagging back problem, and the Bills defensive tackle still isn't sure when he'll be pain free. (AP Photo/David Duprey, File)