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 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.

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,