Pittsburgh Steelers running back Chris Rainey (22) runs the ball with a towel with "Rainman" written on it during practice at the NFL football training camp in Latrobe, Pa., Sunday, July 29, 2012. (AP Photo/Keith Srakocic)

Pittsburgh Steelers wide receiver Toney Clemons (11) goes up for a pass over defensive back Terry Carter (35) during drills in practice at NFL football training camp in Latrobe, Pa., Sunday, July 29, 2012. (AP Photo/Keith Srakocic)

Pittsburgh Steelers running back Isaac Redman runs the ball during practice at NFL football training camp in Latrobe, Pa., Sunday, July 29, 2012. (AP Photo/Keith Srakocic)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) talks with wide receiver Antonio Brown (84) during practice at NFL football training camp in Latrobe, Pa., Sunday, July 29, 2012. (AP Photo/Keith Srakocic)

Pittsburgh Steelers linebackers Stevenson Sylvester, center left, and Will Johnson, center right, go through contact drills with the rest of the linebackers during practice at NFL football training camp in Latrobe, Pa., Sunday, July 29, 2012. (AP Photo/Keith Srakocic)