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

Dallas Stars defenseman Miro Heiskanen had knee surgery on Tuesday and his status is "month-to-month," coach Pete DeBoer told reporters.

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