Hornqvist was assessed a five-minute elbowing major and a game misconduct on the play.
Seguin suffered damage to his ear lobe but returned to the game after having stitches to repair the injury.
"I came in the room and (the doctor) just said, 'Nice ear lobe, it's kind of falling off,'?" Seguin told the Boston Herald. "And I said, 'Oh, that's pretty cool.'?"