The winning coach. Police are investigating.
In this footage from the arena at the University of B.C. (UBC), a victorious Martin Tremblay trips up an opposing player while the teams shake hands after the game. The 13-year-old suffered a broken wrist.
Kids, remember that coaches usually aren't wearing shin pads. Next time you play his team, one of yous just casually give him a nice two-hander.
Read more about it here.