Johansson took a massive shoulder-to-shoulder check from Micheal Ferland and had to be helped off the ice.
David Backes took exception to the hit, dropping the mitts with Ferland shortly thereafter.
Despite getting the better of Backes, Ferland was pronounced done for the game with an upper-body injury following the bout.
The Bruins sent the New Jersey Devils a 2019 second-round pick and a 2020 fourth-rounder for Johansson on Feb. 25. The winger entered the evening with 28 points in 51 games.