The match was Boston's last before the all-star break, where Ullmark is selected for the first time in his career.
And in the winning game of the night, he showed why he is selected for the prestigious all-star game.
He was responsible for 33 saves, some of which were really high class.
- During the first half of the match, he was absolutely incredible.
He was the one who kept us in the game.
He was there, and then we took over a bit and scored a few goals.
But that's how good he's been in almost every game this season.
He's a great goaltender to have on your team, says Pavel Zacha, who scored two of Boston's goals, on the NHL's website.
In Toronto, William Nylander was held scoreless, ending his seven-game hitting streak.
However, Calle Järnkrok scored a goal for Toronto, when he carefully put in a puck that a Boston defender failed to clear.