RIO DE JANEIRO, BRAZIL - AUGUST 07: Simone Biles of the United States competes on the balance beam during Women's qualification for Artistic Gymnastics on Day 2 of the Rio 2016 Olympic Games at the Rio Olympic Arena on August 7, 2016 in Rio de Janeiro, Brazil (Photo by David Ramos/Getty Images)
Gold medalist Michael Phelps of the United States celebrates on the podium during the medal ceremony for the Men's 200m Butterfly Final on Day 4 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 9, 2016 in Rio de Janeiro, Brazil.
Maya DiRado, Swimming - Maya Dirado celebrates winning silver in the final of the women's 400-meter individual medley at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on Aug. 6, 2016 in Rio de Janeiro.
RIO DE JANEIRO, BRAZIL - AUGUST 07: Katie Ledecky of United States poses with her Gold medal from the Women's 400m Freestyle during Day 2 of the Rio 2016 Olympic Games at Olympic Aquatics Stadium on August 7, 2016 in Rio de Janeiro, Brazil. (Photo by Ian MacNicol/Getty Images)
US gymnast Simone Biles competes on the beam on the second day of the 2015 World Gymnastics Championships at the Hydro Arena in Glasgow, Scotland on October 24, 2015. Gymnasts can secure qualification for the 2016 Olympic Games in Rio de Janeiro at the championships. AFP PHOTO / ANDY BUCHANAN (Photo credit should read Andy Buchanan/AFP/Getty Images)