ANAHEIM, Calif. — 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,” possibly leaving a window for him to return late in the regular season or during the playoffs.

Miro Heiskanen is considered month to month for the Dallas Stars after having knee surgery Tuesday. The defenseman left a 4-3 overtime win against the Vegas Golden Knights on Jan. 28 at 7:56 of the third period after Vegas forward Mark Stone collided with his left leg.

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.