Ten years ago, A 9-year-old named Katie Ledecky gets an autograph from Michael Phelps. Both won gold medals at Rio 2016 Olympics. Ledecky is yet to be defeated in a major final in her career. (Credit: Ledecky Family)
Ten years ago, A 9-year-old named Katie Ledecky gets an autograph from Michael Phelps. Both won gold medals at Rio 2016 Olympics. Ledecky is yet to be defeated in a major final in her career. (Credit: Ledecky Family)