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.

Miro Heiskanen is week to week for the Dallas Stars with a knee injury. The timeline also means the defenseman will likely miss the upcoming 4 Nations Face-Off, with will take place in Montreal and Boston from Feb. 12-20. He had been selected to play for Team Finland along with Stars teammates, defenseman Esa Lindell and forward Roope Hintz.

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.

Stars defenseman Miro Heiskanen has suffered an injury that puts his availability for Team Finland in the 4 Nations Face-Off in jeopardy.

The Dallas Stars could be without star defenseman Miro Heiskanen for the foreseeable future, and he might miss the 4 Nations Face-Off Tournament. Heiskanen has been ruled out week-to-week with an injury.