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

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.

Wyatt Johnston gets a hat trick and the Stars pick up their first win of the season when they trailed going into the 3rd period. But it came with a cost, as they lost Miro to a knee injury.