Cliffy Hockey has entered the chat.
The Boston Bruins were in Philadelphia for a game against the Flyers on Friday night, and Connor Clifton dropped the gloves with just over six minutes to go in the first.
The Bruins blueliner dropped a heavy hit on Nicolas Aube-Kubel before they decided to go at it.
Clifton landed three strong rights, and appeared to stun Aube-Kubel for a brief moment.
You can watch it unfold here.
Let's see which way the momentum swings after this.