HOME Michael Phelps on the best part of being back from Rio: 'Daddy duty' Agosto 29 of 2016 - 05:01 EDT by HOLA USA! Galería: 3 Fotos Volver a la noticia 1/3 Apart from swimming, Boomer has a new love for football. Photo: Instagram/@boomerrphelps 2/3 The Olympic swimmer admitted that he is enjoying "daddy duty" post-Rio. Photo: Instagram/@boomerrphelps 3/3 Michael and his fiancée Nicole Johnson welcomed their first child, Boomer, in May. Photo: Nicholas Hunt/FilmMagic More about: Celebrity Dads Michael Phelps Boomer Phelps