We're throwing it back all the way to March 9th, 1978, and a classic hockey fight between Terry O'Reilly of the Boston Bruins and Mel Bridgeman of the Philadelphia Flyers.
These two threw left and rights at each other until they literally couldn't anymore, as the fight lasted a total of 45 seconds. O'Reilly went down to the ice after a hard punch at about eight seconds, and that's when referees would've jumped in nowadays.
But not back then! Check out the classic tilt between two old rivals below: