RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Olympic Champion Anthony Ervin of United States during medal ceremony after Men's 50m Freestyle final of the Rio 2016 Olympics - Stock Photo & Image

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Olympic Champion Anthony Ervin of United States during medal ceremony after Men's 50m Freestyle final of the Rio 2016 Olympics

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Olympic Champion Anthony Ervin of United States during medal ceremony after Men's 50m Freestyle final of the Rio 2016 Olympics

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Michael Phelps of United States during medal ceremony after Men's 100m butterfly of the Rio 2016 Olympics at the Olympic Aquatics Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 13, 2016: Olympic champion Michael Phelps of United States celebrates victory at the Men's 4x100m medley relay of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Olympic Champion Anthony Ervin of United States during medal ceremony after Men's 50m Freestyle final of the Rio 2016 Olympics

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Olympic Champion Joseph Schooling of Singapore during medal ceremony after Men's 100m butterfly of the Rio 2016 Olympics at the Olympic Aquatics Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 13, 2016: Olympic champion Michael Phelps of United States celebrates victory at the Men's 4x100m medley relay of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Michael Phelps of United States during medal ceremony after Men's 100m butterfly of the Rio 2016 Olympics at the Olympic Aquatics Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Olympic Champion Anthony Ervin of United States during medal ceremony after Men's 50m Freestyle final of the Rio 2016 Olympics

RIO DE JANEIRO, BRAZIL - AUGUST 8, 2016: Olympic champion swimmer Ryan Murphy of United States during medal ceremony after Men's 100m backstroke of the Rio 2016 Olympics at Olympic Aquatic Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Michael Phelps of United States during medal ceremony after Men's 100m butterfly of the Rio 2016 Olympics at the Olympic Aquatics Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Olympic Champion Joseph Schooling of Singapore during medal ceremony after Men's 100m butterfly of the Rio 2016 Olympics at the Olympic Aquatics Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 8, 2016: Olympic champion swimmer Ryan Murphy of United States during medal ceremony after Men's 100m backstroke of the Rio 2016 Olympics at Olympic Aquatic Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 13, 2016: Olympic champion Michael Phelps of United States celebrates victory at the Men's 4x100m medley relay of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Michael Phelps of United States during medal ceremony after Men's 100m butterfly of the Rio 2016 Olympics at the Olympic Aquatics Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 13, 2016: Silver medalist Connor Jaeger of United States during medal presentation at the men's 1500 metre freestyle of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 8, 2016: Bronze medalist David Plummer of United States during medal ceremony after Men's 100m backstroke of the Rio 2016 Olympics at Olympic Aquatic Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Michael Phelps of United States during medal ceremony after Men's 100m butterfly of the Rio 2016 Olympics at the Olympic Aquatics Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Olympic Champion Anthony Ervin of United States during medal ceremony after Men's 50m Freestyle final of the Rio 2016 Olympics

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016:Olympic Champion Anthony Ervin (L) and bronze medalist Nathan Adrian of United States after medal ceremony after Men's 50m Freestyle of the Rio 2016 Olympics

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Olympic Champion Anthony Ervin of United States during medal ceremony after Men's 50m Freestyle final of the Rio 2016 Olympics

RIO DE JANEIRO, BRAZIL - AUGUST 13, 2016: Silver medalist Connor Jaeger of United States during medal presentation at the men's 1500 metre freestyle of the Rio 2016 Olympic Games

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Olympic Champion Joseph Schooling of Singapore during medal ceremony after Men's 100m butterfly of the Rio 2016 Olympics at the Olympic Aquatics Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 8, 2016: Olympic champion swimmer Ryan Murphy of United States during medal ceremony after Men's 100m backstroke of the Rio 2016 Olympics at Olympic Aquatic Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 8, 2016: Olympic champion swimmer Ryan Murphy of United States during medal ceremony after Men's 100m backstroke of the Rio 2016 Olympics at Olympic Aquatic Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 13, 2016: USA Men's 4x100m medley relay team Cory Miller (L) and Michael Phelps celebrate victory at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium

RIO DE JANEIRO, BRAZIL - AUGUST 12, 2016: Olympic Champion Joseph Schooling of Singapore during medal ceremony after Men's 100m butterfly of the Rio 2016 Olympics at the Olympic Aquatics Stadium