Michael Phelps

Michael Phelps had already competed in four Olympic Games and won more Olympic medals than any other athlete, but in 2016 he decided to compete one last time. At the Summer Olympic Games in Rio de Janeiro, Brazil, superstar swimmer Phelps won six more medals, bringing him to a total of twenty-eight Olympic medals in his career. After years of training, Phelps says he''s finally ready to retire and...