Bitter women's hockey rivals USA, Canada face off before Olympics

Kelly Pannek (12) and USA teammates celebrate a third-period goal against Canada.

Team USA's Britta Curl-Salemme celebrates a second-period goal against Canada.

Team USA's Abbey Murphy scores a first-period goal against Team Canada goaltender Ann-Renée Desbiens.

Abbey Murphy (37) of Team USA scores a first-period goal against Canada's Ann-Renee Desbiens.

Team USA's Tessa Janecke (22) celebrates her tying first-period goal against Canada.

Canada's Sarah Fillier (10) opened the scoring.

Team USA players huddle in the crease before the first Rivalry Series game in Edmonton.

Americans Hilary Knight (21) and Alex Carpenter (25) of the United States celebrate a goal during the third period of the Rivalry Series game against Canada.

Team USA's Abbey Murphy (37) and Hayley Scamurra (16) celebrate a goal during the third period of the Rivalry Series game against Canada.

Team USA's Laila Edwards shoots the puck during the third period of the Rivalry Series game against Canada.

Canada's Daryl Watts (95) passes the puck against the USA's Cayla Barnes (3) during the second period.

USA's Taylor Heise (27) moves the puck against Canada's Daryl Watts during the first period.

Canada's Sarah Fillier battles with the USA's Cayla Barnes.

Team USA's Hannah Bilka (23) shoots while under pressure from Canada's Jennifer Gardiner (94) during the first period.

Canada's Blayre Turnbull and USA's Laila Edwards fight for the puck.

Canada's Sarah Fillier (10) celebrates after scoring during the first period of the Rivalry Series against the USA.

Team USA's Abbey Murphy (37) celebrates with teammates after scoring a goal during the second period of the Rivalry Series against Canada.

Goalie Aerin Frankel (31) of the United States blocks a shot from Canada's Blayre Turnbull during the second period of the Rivalry Series.

Team USA's Abbey Murphy (37) celebrates with teammates after scoring her third goal of the game during the third period.

Team USA's Abbey Murphy celebrates with teammates after scoring her third goal of the game during the third period of the Rivalry Series game against Canada.

Team USA's Abbey Murphy (37) celebrates with teammates after a Rivalry Series 4-1 victory against Canada.