Chicago Blackhawks head coach Jeremy Colliton confirmed Tuesday that defenseman Duncan Keith will be sidelined for at least two more games, according to team insider Carter Baum.

Keith, 36, suffered a groin injury Nov. 29 against the Colorado Avalanche and has missed the club's last two contests.

The two-time Norris Trophy winner has declined offensively but remains the Blackhawks' most steady fixture on the blue line. Keith has logged a team-high 23:51 of ice time per game and ranks second on the club with 44 blocked shots through 25 outings this season.

Keith joins a few other key pieces on the injury list, as forwards Dylan Strome, Drake Caggiula, and Andrew Shaw are all in concussion protocol.

The Blackhawks have lost six of their last seven games and travel to Boston for a matchup with the league-leading Bruins on Thursday.

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