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.
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.