The document discusses various types of deviance in sport including relative deviance, positive deviance, and negative deviance. It also examines causes of deviance such as lack of training and crowd mentality. The concept of a "contract to compete" is introduced which refers to an agreement by performers to play fairly and allow opportunities for others to demonstrate their skills. Forms of violence and hooliganism in sport are then analyzed as well as efforts to combat hooliganism. The use and implications of performance enhancing drugs is covered along with methods for fighting drug use in sport. Finally, the relationship between sport, performers, officials, and the law is briefly outlined.