Johnston’s overtime goal both completed both his hat trick and notched the Stars’ first victory of the season when trailing after two periods.

For the first time this season, the Dallas Stars (31-17-1) won a game they were trailing after two periods, completing the comeback and defeating the Vegas Golden Knights (31-15-4) 4-3 in overtime at T-Mobile Arena on Tuesday.

Defenseman Miro Heiskanen was injured in the third period of the Dallas Stars’ 4-3 overtime victory over Vegas after taking a hit from Golden Knights captain Mark Stone

Defenseman Miro Heiskanen was injured in the third period of the Stars' 4-3 overtime victory over Vegas on Tuesday night after taking a big hit from Golden Knights captain Mark Stone.

Las Vegas’ Stone fell into Heiskanen’s left knee in an awkward collision, which forcing Dallas’ top defenseman out of the game.