The Bills placed OT Chris Hairston on injured reserve and signed OT Chris Scott to the 53-man roster.
The Steelers have re-signed OT Max Starks to a one-year contract and released OT Chris Scott, the team announced Wednesday.
The Steelers cut their roster down to 75 on Tuesday, including the release of OLB Andre Frazier, who had been on injured reserve with a knee injury.
The Steelers signed OT Chris Scott and CB Crezdon Butler, both fifth-round picks, to three-year contracts on Wednesday. Pittsburgh has signed eight of its 10 draft picks.