Duhaime scored a goal on three shots and added four hits in Saturday's 8-1 win over the Blues.
Duhaime signed a two-year, $3.7 million contract with the Capitals on Monday, Elliotte Friedman of Sportsnet reports.
Duhaime had an assist, two shots on net and four hits in Thursday's 3-2 shootout loss to the Rangers.
Duhaime was traded from the Wild to the Avalanche in exchange for a 2026 third-round pick Thursday.
Duhaime scored a goal on five shots against Montreal on Tuesday, giving him tallies in back-to-back games.
Duhaime agreed to a one-year, $1.1 million contract with Minnesota on Sunday, Elliotte Friedman of Sportsnet reports.
Duhaime (illness) returned to practice Friday, Joe Smith of The Athletic reports.
Duhaime (illness) will miss Wednesday's game against Colorado, per Sarah McLellan of the Minneapolis Star Tribune.
Duhaime scored the game-winning goal in Sunday's 5-3 win over the Capitals.
Duhaime (upper body) is expected to return to the lineup Sunday against Washington, Michael Russo of The Athletic reports.