BOSTON - It was the Bruins' Achilles' heel all season long, perhaps their most glaring flaw.
Despite boasting one of the NHL's most dominant power plays, Boston surrendered a league-leading 15 shorthanded goals. And in Game 1 against the Toronto Maple Leafs on Thursday night, that weakness came back to haunt them once more.
With the game tied early in the second period, Mitch Marner drew a penalty shot after a shorthanded break and buried his second goal of the night to put the Maple Leafs ahead and flip the game's momentum. William Nylander added another breakaway tally late in the middle frame and John Tavares sealed it with an empty netter as Toronto took a 1-0 series lead with a 4-1 victory at TD Garden.
Bruins Drop Playoff Opener to Leafs
Shorthanded goal shifts momentum as Boston struggles to find its game in 4-1 setback in Game 1


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BOS Recap: Bergeron scores in Game 1 loss

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Bruins drop game 1 to Toronto