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 © ¡HOLA! Prohibida la reproducción total o parcial de este reportaje y sus fotografías, aun citando su procedencia. Más sobre: Celebrity Dads Michael Phelps Boomer Phelps Más noticias sobre Celebrity Dads George Clooney and Amal Clooney welcome twins Ella and Alexander! Ryan Reynolds explains why his and Blake Lively's daughter loves Disney — and it's not what you think! Ricky Martin's twin sons surprise him on the set of 'American Crime Story' Prince Carl Philip's road to fatherhood: everything you need to know about the Swedish royal