Pittsburgh Steelers running back Frank Summers (44) warms up before a football game against the Arizonal Cardinals Thursday August 13, 2008 in Pittsburgh.(AP Photo/Don Wright Photo Stock - Alamy
Pittsburgh Steelers running backs Willie Parker, left, and Frank Summers laugh while stretching before the team's NFL football training camp in Latrobe, Pa., Tuesday, Aug. 4, 2009. (AP Photo/Keith Srakocic Stock Photo
Pittsburgh Steelers running back Frank Summers (44) at the NFL football team's training camp in Latrobe, Pa. Saturday, July 31, 2010. (AP Photo/Keith Srakocic Stock Photo - Alamy
Pittsburgh Steelers running backs Willie Parker, left, and Frank Summers laugh while stretching before the team's NFL football training camp in Latrobe, Pa., Tuesday, Aug. 4, 2009. (AP Photo/Keith Srakocic Stock Photo
Pittsburgh Steelers running back Frank Summers (44) at the NFL football team's training camp in Latrobe, Pa. Saturday, July 31, 2010. (AP Photo/Keith Srakocic Stock Photo - Alamy
Pittsburgh Steelers running back Frank Summers (44) warms up before a football game against the Arizonal Cardinals Thursday August 13, 2008 in Pittsburgh.(AP Photo/Don Wright Photo Stock - Alamy
Pittsburgh Steelers running backs Willie Parker, left, and Frank Summers laugh while stretching before the team's NFL football training camp in Latrobe, Pa., Tuesday, Aug. 4, 2009. (AP Photo/Keith Srakocic Stock Photo
Athlete Chat: Pittsburgh Steeler Frank Summers
Pittsburgh Steelers running back Frank Summers (44) at the NFL football team's training camp in Latrobe, Pa. Saturday, July 31, 2010. (AP Photo/Keith Srakocic Stock Photo - Alamy
Blast From The Past: Frank Summers - Steelers Depot
Pittsburgh Steelers running back Frank Summers (44) warms up before a football game against the Arizonal Cardinals Thursday August 13, 2008 in Pittsburgh.(AP Photo/Don Wright Photo Stock - Alamy
Pittsburgh Steelers rookie running back Frank Summers during a practice session at their NFL football training camp in Latrobe, Pa., Sunday, Aug. 2, 2009. (AP Photo/Keith Srakocic Stock Photo - Alamy