OTTAWA, ON - OCTOBER 28: Linesman Brian Mach #78 helps Erik Karlsson #65 of the Ottawa Senators after he got caught up in the skate of Johnny Gaudreau #13 of the Calgary Flames and could not get up from the bench door during an NHL game at Canadian Tire Centre on October 28, 2015 in Ottawa, Ontario, Canada. (Photo by Jana Chytilova/Freestyle Photography/Getty Images)
