Dedo Cato's goal in overtime lifted the LaSalle Vipers to a 4-3 road win over the Sarnia Legionnaires Thursday night.
The Vipers battled back from deficits of 1-0 and 2-1 and had a 3-2 lead in the third period before the Legionnaires tied the game at 10:36.
Brett Primeau, Nathan Savage and Liam MacDougall also scored for LaSalle, which maintains its four-point lead over London in the Western Conference of the Greater Ontario Junior Hockey League.