Nathan Gerbe has been returned to Portland of the AHL. From the Sabres:
Buffalo Sabres GM Darcy Regier announced today the Sabres have returned Nathan Gerbe to the Portland Pirates of the American Hockey League. Gerbe made his NHL debut on Dec. 6 at Tampa, and finished with one assist in six games for the Sabres. Gerbe also missed six games with an upper body injury suffered on Dec. 13 at New Jersey.