Contreras is a former member of the Belize national football team. He first joined the team in 1993. After a determined training, he played in both of Belize’s 1998 Wold Cup qualification games against Panama in March 1996. Although, his team made it through the qualification Round. They would eventually lose the World Cup that year. After the loss for his team, Contreras announced his resignation from the Team and that he no longer aspires to enter the Soccer arena. He also said that he will be looking for another opportunity to serve the People of Belize. 