Imagine that a person ruthlessly punched another person in the face until his face was covered in blood and he collapsed on the ground. Typically, the instigator of this fight would be arrested and criminally charged with assault and battery. However, in the context of sports, this scene reflects a typical professional boxing match where athletes have given their consent to be hit in the ring. This is just one example of how the line between criminal conduct and permissible actions in sports...