National Hockey League
CHICAGO BLACKHAWKS-Signed C Petri Kontiola and C Adam Hobson to three-year contracts. Signed D Magnus Johansson.
PHILADELPHIA FLYERS-Traded RW Matt Ellison to Nashville for future considerations.
VANCOUVER CANUCKS-Re-signed F Taylor Pyatt to a two-year contract.
American Hockey League
HARTFORD WOLF PACK-Signed G Miika Wiikman.
IOWA STARS-Signed G Steve Silverthorn to a one-year contract.
WORCESTER SHARKS-Named Cristin Houlihan office manager, Timothy Wegner account executive and ticket sales analyst and Kaitlin Kohutanycz account executive.