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.

Dallas Stars defenseman Miro Heiskanen is week-to-week with a lower-body injury, head coach Peter DeBoer announced on Thursday. Heiskanen, 25, was hurt in a collision with Vegas forward Mark Stone in the third period of Tuesday's 4-3 overtime road win against the Golden Knights.

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.

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

Stars head coach Peter DeBoer told reporters Thursday that Miro Heiskanen has been ruled out week-to-week due to a lower-body injury.

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.

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,

As if the Golden Knights’ rivalry with the Dallas Stars needed more fuel to the fire. Captain Mark Stone’s tripping penalty on Dallas defenseman Miro Heiskanen at 7:56 of the third period was a chaotic moment that proved to be the turning point in the Knights’ 4-3 overtime loss Tuesday at T-Mobile Arena.