Evan Bouchard scored and set up another three for the Knights as London defeated Guelph 5-2.
The Knights were down 2-1 late in the third when they pulled goalie Joseph Raaymakers for an extra attacker and rallied with four goals in the final four minutes of play.
Evan Bouchard got the rally started at 16:53 of the final frame. Cole Tymkin scored and had two assists for the Knights including the game winner at 17:55 of the third. Alex Formenton added insurance 13 seconds later and Liam Foudy scored on an empty Storm net with just 11 seconds left.
Nathan Dunkley put the Knights on the board at 4:06 of the second, briefly tying the game before Isaac Ratcliffe scored to give Guelph the lead again at 18:37 of the second.