Both players got minor penalties on the play, for boarding and roughing respectively. After seeing what came after this though, it may have been best to take them out of the game entirely.
In the third period, Gudbranson had an opportunity to exact some revenge against Cousins, and he didn't go easy on him. Gudbranson threw a huge hit at Cousins, but then threw his gloves off and jumped on him, throwing punches to the back of Cousins' head while he was down on the ice.