** FILE ** Pittsburgh Steelers tackle Mike Adams (76) goes through blocking drills during practice at NFL football training camp in Latrobe, Pa., Friday, July 27, 2012. (AP Photo/Keith Srakocic)

** FILE ** Pittsburgh Steelers tackle Mike Adams (76) goes through blocking drills during practice at NFL football training camp in Latrobe, Pa., Friday, July 27, 2012. (AP Photo/Keith Srakocic)