Introduced as a “special guest” by Team USA head coach (and his father in-law) Mike Sullivan, McAvoy — sporting a sling on his right arm — earned a round of applause from his teammates after entering the room.

U.S. head coach Mike Sullivan shared to his team that he had a “special guest” to read off the starters for the game.

A Bruins team desperately trying to claw back into playoff positioning may not have McAvoy for the final stretch of regular-season play.