Costa Mesa-based Tickets.com, which provides online ticketing services, said Monday that it has signed a long term contract extension with the NHL's Buffalo Sabres. The firm said the deal includes use of the firm's StubHub site for secondary ticket marketing, and will make StubHub "the Official Fan to Fan Ticket Marketplace of the Buffalo Sabres." Financial impact of the contract was not disclosed. Tickets.com is a subsidiary of MLB Advanced Media.