David MacDonald struck early and Saint John scored often.
The Saint John defenceman scored 25 seconds into the second period and 56 seconds into the third to lead the Sea Dogs to a 7-2 victory over the Saint John's Fog Devils in Quebec Major Junior Hockey League action.
The Baddeck, N.S., native also had an assist as Saint John set a franchise record for goals in a game.
Elsewhere in QMJHL action Friday, it was: P.E.I. 4, Halifax 0; Quebec 5, Shawinigan 2; Val-d'Or 6, Drummondville 1; Rouyn-Noranda 5, Gatineau 2; and Chicoutimi 2, Rimouski 1.
At Saint John, N.B., Alexandre Labonte, Bruce Crawford, Tommy Lange, Alexandre Monahan and Dave Bouchard also scored for Saint John (5-6-1-1).
Nick Layton and Ryan Graham accounted for the Fog Devils' (5-7-0-1) goals.
Rocket 4, Mooseheads 0
At Halifax, Ryan Mior stopped 22 shots as P.E.I. shutout the Mooseheads.
Geoff Walker, Marc-Andre Gragnani, Pierre-Luc Lessard and Pierre-Marc Guilbault all scored for the Rocket (8-3-0-1), who moved into top spot in the Eastern Division.
Jeremy Duchesne made 34 saves for Halifax (6-5-1-1).
Remparts 5, Cataractes 2
At Quebec City, the Remparts dominated the third period, scoring three unanswered goals as they downed Shawinigan.
Kelsey Tessier, Felix Petit and Angelo Esposito all scored in the third for Quebec (8-6-0-0), who were tied 2-2 after the second.
Billy Bezeau and Maxime Lacroix added singles for the Remparts.
Danick Bouchard had two goals for the Cataractes (9-3-0-3).
Foreurs 6, Voltigeurs 1
At Val-d'Or, Que., Peter-James Corsi scored twice as the Foreurs beat Drummondville.
Maxime Lincourt, Mathieu Roy, Martin Thibeault, and Henrick Lavoie added goals for Val-d'Or (7-4-1-1).
Etienne Bellavance-Martin scored for the Voltigeurs (6-7-0-1).
Huskies 5, Olympiques 2
At Rouyn-Noranda, Que., David Buc led the Huskies with two goals in a victory over Gatineau.
Tyler Whitehead, Marc-Antoine Desnoyers and Ivan Vishnevskiy added for Rouyn-Noranda (8-6-0-1).
Paul Byron and Keven Petit scored for the Olympiques (11-3-0-1).
Sagueneens 2, Oceanic 1
At Chicoutimi, Que., Juraj Mikus' goal 1:21 into the second period stood as the winner as the Sagueneens downed Rimouski.
Nicolas Blanchard also scored for Chicoutimi (4-8-2-1).
Jordan Caron scored the only goal for the Oceanic (1-10-3-0).
