Sarnia Sting alum and NHL ref Mitch Dunning appears to avoid serious injury after collision
It appears former Sarnia Sting defenceman Mitch Dunning has escaped serious injury. It appears former Sarnia Sting defenceman Mitch Dunning has escaped serious injury. The 32-year-old Dunning, who is an NHL referee, had to be carried off the ice on a stretcher Monday after an on-ice collision with a player.