This doctoral research combines various methods and data sources to empirically supplement the current knowledge about the prevention of fraud in sports. Its findings show that the study of fraud in sports has mainly focused on football, and on match-fixing in recent years. Additionally, they show that the criminogeneity of the sports environment plays a limited role in predicting the commission of fraud, though it might play a role in the activation of sportspersons’ crime propensities. Moreover, this research demonstrates that fraud such as non-betting-related match-fixing is not sanctioned similarly in different sports federations, and that fraud scandals have differing consequences depending on the stakeholder involved. Lastly, this research shows that occupational types of fraud in sports are more often perpetrated by stakeholders involved in the administration of sports, and sports fraud by stakeholders that are active on the field, which is linked to the opportunity structures of these different types of fraud.