Try this next game. Every time a coach yells something that indicates to you that he doesn't know a rule, keep track of it by yelling to your partner how many that makes. Have your partner do the same for the other coach. Usually you get up to about 4 or 5 before one of them asks what you are doing.
Tell them you're counting the rules they have demonstrated they don't know and the one who has the lowest total at the end of the game gets a cookie.
