Sabres sign C Barnes to three-year extensionSource: Sportsticker 'He would have been eligible for unrestricted free agency at the end of the season.' Related posts: Sabres, Barnes agree on three-year extension Extension chord sounded for Barnes Sabres sign GM Darcy Regier to six-year contract extension Sabres re-sign Warrener to one-year deal Sabres still mulling over Hasek's future