Brazilian soccer legend Pele poses for picture after receiving an Olympic necklace from President of the International Olympic Committee (IOC) Thomas Bach at the Pele Museum in Santos, Brazil June 16, 2016. REUTERS/Paulo Whitaker

2016 Rio Olympics - Deodoro Stadium - Rio de Janeiro, Brazil - 03/08/2016. Security personnel stand guard outside the Deodoro Stadium. REUTERS/Damir Sagolj

A guard locks a gate at the media entrance to the Olympics Aquatics Stadium during a security alert. REUTERS/Vasily Fedosenko

2016 Rio Olympics - Copacabana beach - Rio de Janeiro, Brazil - 04/08/2016. Security personnel walk along Copacabana beach. REUTERS/Brian Snyder

NBA basketball player Russell Westbrook poses at the 2014 Nickelodeon Kids' Choice Sports awards in Los Angeles July 17, 2014. REUTERS/Danny Moloshok

2016 Rio Olympics - Basketball - Preliminary - Men's training session - Carioca Arena 1 - Rio de Janeiro, Brazil - 04/08/2016. Harrison Barnes (USA) of USA, Jimmy Butler (USA) of USA, Demar DeRozan (USA) of USA, Demarcus Cousins (USA) of USA and Deandre Jordan (USA) of USA attend a training session. REUTERS/Jim Young

2016 Rio Olympics - Men's Basketball - News Conference - Rio De Janeiro, Brazil - 04/08/2016. DeMarcus Cousins (USA) of USA, Demar DeRozan (USA) of USA, Harrison Barnes (USA) of USA, Kyrie Irving (USA) of USA and Kyle Lowry (USA) of USA (L-R) stand during a news conference. REUTERS/Lucy Nicholson

Resident Antonio de Paula is pulled by an oxcart as he takes part in the Olympic Flame torch relay in Trindade, Goias state, Brazil, May 6, 2016. Andre Luiz Mello/Rio2016/Handout via Reuters