Heated Discussion Between Ref and Carlo Picked Up By Hot Mic

The most talked-about moment of the opening period came when a live microphone picked up referee Steve Kozari's 'intimidating' remarks directed at defenseman Brandon Carlo.

Carlo, who was on his way to the penalty box for a roughing minor alongside Sam Bennett, must have shared some provocative words with the official.

Kozari, in turn, gifted fans with an unforgettable hot mic retort:

As read on Bruins Insider - Hot Mic Catches Heated Exchange Between Ref and Carlo.