Hockey transactions
National Hockey League
BOSTON BRUINS-Signed RW Brandon Bochenski to a one-year contract extension.
CALGARY FLAMES-Signed G Brent Krahn, RW Carsen Germyn and C Warren Peters
NEW YORK ISLANDERS-Agreed to terms with LW Sean Bergenheim on a one-year contract.
OTTAWA SENATORS-Fired John Muckler, general manager. Named Bryan Murray general manager.
PHILADELPHIA FLYERS-Acquired D Kimmo Timonen and F Scott Hartnell from Nashville for a 2007 first-round draft pick.
ECHL
JOHNSTOWN CHIEFS-Named Ian Herbers coach.
Central Hockey League
YOUNGSTOWN STEELHOUNDS-Signed Kevin Kaminski, coach and director of hockey operations, to a two-year contract extension, through the 2008-09 season.