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.

With Dallas Stars coach Pete DeBoer announcing at practice on Thursday that Finnish defenseman Miro Heiskanen has been ruled week-to-week with a knee injury, the team was gearing up to play an extended period of time without one of their key players.