Rackley started 11 games in 2013, missing five games with a head injury. He sat out the entire 2012 season with an ankle injury and has 25 career starts at left guard. He is expected to compete for a starting job in the middle of the line.
Baltimore also signed running back Shaun Chapas and tight end Phillip Supernaw on Monday. Chapas has played in six career games and Supernaw played one game with Houston last year,Stitched Jerseys.
