He spent the 2011 season on the Cowboys ' practice squad .
During the Dallas Cowboys ' 2011 training camp , he was hindered by a hamstring injury he suffered after a collision with assistant Jimmy Robinson , and was released on September 3 .
He spent the 2011 season on the Dallas Cowboys ' practice squad .
During the Dallas Cowboys ' 2011 training camp , he was hindered by a hamstring injury he suffered after a collision with assistant Jimmy Robinson , and was released on September 3 .