Nowadays everyone takes concussions very seriously. But it was not even all that long ago that "getting your bell rung" was just another part of hockey.
When Edmonton Oilers rookie Shaun Van Allen got knocked out one game, he could not remember who he was initially.
Oilers' assistant coach Ted Green had a quick solution to get Van Allen back out on the ice.
"Tell him he's Wayne Gretzky," he told the doctors.