Kupari (concussion) will sit out the opening game of the playoffs against St. Louis on Saturday, Lou Korac of NHL.com reports.
Kupari suffered the injury against the Islanders on March 4 and tried to play March 25 against Washington following a nine-game absence but lasted only 5:44 before symptoms reappeared. He missed the final 10 games of the regular season, finishing with five goals and eight points in 59 appearances.