NHL to operate SabresSource: AP 'Commissioner Gary Bettman said Thursday that owner John Rigas had agreed to the move. Although Rigas technically remains the Sabres' owner, the move helps clear the way for the potential sale of the franchise.' Related posts: Deal taking shape to keep Sabres here NHL may take over Sabres Hamister, Rich top list of possible team owners Hasek, Sabres come away from talks with mutual respect Satan to play in Olympic preliminary