The biggest rule change I would make is that if you try and fight someone after a large hit, just for the fact that they made a large hit. You will be handed out a 10 minute misconduct and a 2 minute delay of game penalty. This would be applied game long, so trying to fight someone whos not interested at any point of the game will cost you time in the box. Now there would have to be some judgment on the part of the ref's and it wouldn't be called unless it's determined to be a direct result of the hit. Targeting said player with a big hit back is an ok thing but its getting ridicules that almost any hit nowadays is stopping play and we are seeing a fight happen as a result. I am a fan of fighting in hockey but think a hit should not be the catalyst to starting one every time.