Indianapolis Colts running back Trent Richardson has undergone surgery to his shoulder.
According to NFL.com, the operation was minor and is not expected to hinder the 22-year-old's off-season programme.
Richardson joined the Colts midway through the 2013 NFL season as part of a trade with the Cleveland Browns.
In his 14 games with the AFC South champions, Richardson rushed for 458 yards and three touchdowns.