Heiskanen is now the third critical player the Stars have lost for an extended period of time. Tyler Seguin is out for four-to-six months following hip surgery he had done in December, and Mason Marchment has missed a month for face surgery after taking a puck to the face in late December.

Golden Knights captain Mark Stone will not face discipline from the NHL for a play that injured Stars defenseman Miro Heiskanen, the league confirmed Wednesday.

The former Ottawa Senators star was ripped on social media after colliding with Miro Heiskanen's knee on Tuesday night.

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

Golden Knights captain Mark Stone said he was tripped and didn’t dive headfirst into Dallas Stars defenseman Miro Heiskanen’s knee in the third period 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.

Dallas Stars defenseman Miro Heiskanen left the game against the Vegas Golden Knights after an ugly collision with captain Mark Stone. In the third period of a tight contest, Stone was tripped by Stars forward Roope Hintz,