He was hurt during the second period, apparently in a knee-to-knee collision with Montreal defenseman Michael Komisarek.
Savard missed the previous three games because of a concussion
and sat out nine games in November after injuring his ankle.
Despite having played in only 32 games, he is the team's second-leading scorer, with 15 goals and 26 assists.
Team officials described the injury as a Grade One or Two sprain
of the medial collateral ligament. Grade Three is the most serious.
Savard will be re-evaluated Thursday. It isn't known yet whether he'll
miss any additional games.