Claim: McWilliams Arroyo competed in the 2008 Olympic Games.
Evidence: McWilliams Arroyo Acevedo (born December 5, 1985) is a Puerto Rican professional boxer who has challenged twice for a world flyweight title, in 2014 and 2016. The Arroyo twins, McWilliams and McJoe, qualified to the 2008 Summer Olympics due to their performance at the AIBA World Championships. Despite the surgery, Arroyo decided to compete in the Summer Olympics along his brother.