TORONTO, ON- OCTOBER 8 Period One: Referee Tom Kowal (32) drops the puck at centre ice wearing a helmet cam to start the game during the season opener between the Toronto Maple Leafs and the Montreal Canadiens at the Air Canada Centre in Toronto (David Cooper/Toronto Star via Getty Images)
NEW YORK, NY - OCTOBER 12: Referee Gord Dwyer #19 sports a TV camera on his helmet during the game between the New York Rangers and the Toronto Maple Leafs at Madison Square Garden on October 12, 2014 in New York City. The Maple Leafs defeated the Rangers 6-3. (Photo by Bruce Bennett/Getty Images)
TORONTO, ON - SEPTEMBER 20: Sidney Crosby #87 of Team Canada takes the opening face off against Ryan Kesler #17 of Team USA during the World Cup of Hockey at the Air Canada Center on September 20, 2016 in Toronto, Canada. Canada won the game 4-2. (Photo by Gregory Shamus/Getty Images)
TORONTO, ON - SEPTEMBER 18: Alex Ovechkin #8 of Team Russia argues a disallowed goal with referee Wes McCauley in the final minutes of a 2-1 loss to the Team Sweden during the World Cup of Hockey 2016 at the Air Canada Centre on September 18, 2016 in Toronto, Canada. (Photo by Bruce Bennett/Getty Images)
