Dallas Stars defenseman Miro Heiskanen had knee surgery on Tuesday and his status is "month-to-month," coach Pete DeBoer told reporters. Heiskanen, who was placed on injured reserve last week, potentially could return this season.

The Stars have classified Miro Heiskanen as "month to month" and hope for a late-season return after the defenseman underwent knee surgery.

Dallas Stars defenseman Miro Heiskanen underwent knee surgery in New York on Tuesday. Stars coach Pete DeBoer told reporters before Tuesday night’s game against the Anaheim Stars that Heiskanen’s status is classified as “month to month,

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Placed on IR last week, Heiskanen is looked at as “month-to-month” following the procedure in New York on his injured knee, leaving a window open for

Stars GM Jim Nill on the star defenseman: "As we sit here today, I anticipate him being available sometime during the regular season."

Stars defenseman Miro Heiskanen has a new injury timeline after a successful knee surgery. What does it mean for Dallas?

The star defenseman will likely be out for months, if not the rest of the season. Expect the Stars to struggle in his absence, and to have a much better understanding of their roster when he returns.

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 sustained on a big hit from Vegas captain Mark Stone.