Hockey transactions

National Hockey League

MONTREAL CANADIENS-Assigned F Maxim Lapierre to Hamilton of the AHL.

NEW YORK RANGERS-Recalled F Brad Isbister from Hartford of the AHL. Assigned F Ryan Callahan and G Al Montoya to Hartford.

PHILADELPHIA FLYERS-Traded C Randy Robitaille and a 2008 fifth-round draft pick to the New York Islanders for F Mike York.

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PHOENIX COYOTES-Recalled D Matt Jones from San Antonio of the AHL.

SAN JOSE SHARKS-Reassigned G Dimitri Patzold to Worcester of the AHL.

American Hockey League

BINGHAMTON SENATORS-Released W Chanse Fitzpatrick.