Sport may be dismissed as inconsequential child's play, but there is, in counterpoint, the ideal that sport is our best model for human fairness and equality — a Garden of Eden with competition. But, of course, there are snakes in this athletic garden. Rules will be broken.
To my mind there are, in ascending order, three kinds of transgressions. The first is the most simple: transgressions committed in the heat of the action, instinctively, because of frustration, failure or anger. There are referees to tend to that misconduct.