Australia's David Andersen drives to the basket past Venezuela's Nestor Colmenares, rear, during a basketball game at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Charlie Neibergall/AP Photo)





Kenya's Jemima Jelagat Sumgong runs to the finish line before winning the women's marathon during the Summer Olympics athletics event in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Johannes Eisele/Pool Photo via AP Photo)





United States' Gabrielle Douglas performs on the uneven bars during the artistic gymnastics women's apparatus final at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Julio Cortez/AP Photo)





China's Huang Xuechen and Sun Wenyan compete during the synchronized swimming duet free routine preliminary round in the Maria Lenk Aquatic Center at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Wong Maye-E/AP Photo)





2016 Rio Olympics, Fencing, Final, Women's Sabre Team Gold Medal Match, Carioca Arena 3, Rio de Janeiro, Brazil on August 13, 2016. Yana Egorian (RUS) of Russia celebrates winning the match. (Photo by Toru Hanai/Reuters)





2016 Rio Olympics, Tennis, Final, Women's Singles Gold Medal Match, Olympic Tennis Centre, Rio de Janeiro, Brazil on August 13, 2016. Monica Puig (PUR) of Puerto Rico reacts during match against Angelique Kerber (GER) of Germany. (Photo by Toby Melville/Reuters)





2016 Rio Olympics, Athletics, Final, Women's Marathon, Sambodromo, Rio de Janeiro, Brazil on August 14, 2016. A samba dancer reacts in Sambodromo. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Athletics, Final, Women's Marathon, Sambodromo, Rio de Janeiro, Brazil on August 14, 2016. Jemima Sumgong (KEN) of Kenya and Eunice Jepkirui Kirwa (BRN) of Bahrain celebrate after the race. (Photo by Dylan Martinez/Reuters)





2016 Rio Olympics, Beach Volleyball, Women's Quarterfinal, Beach Volleyball Arena, Rio de Janeiro, Brazil on August 14, 2016. Laura Ludwig (GER) of Germany reacts. (Photo by Adrees Latif/Reuters)





Colombia's Caterine Ibarguen competes in the Women's Triple Jump Final during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 14, 2016. (Photo by Franck Fife/AFP Photo)





The Finn Class fleet in action during their second race of the day on Day 9 of the Rio 2016 Olympic Games at the Marina da Gloria on August 14, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Mason/Getty Images)





Claudette Mukasakindi of Rwanda runs by the Puffed Star by Frank Stella during the Women's Marathon on Day 9 of the Rio 2016 Olympic Games at the Sambodromo on August 14, 2016 in Rio de Janeiro, Brazil. (Photo by Matthias Hangst/Getty Images)





Daniel Bluman of Colombia riding Apardi competes during the Jumping Individual and Team Qualifier on Day 9 of the Rio 2016 Olympic Games at the Olympic Equestrian Centre on August 14, 2016 in Rio de Janeiro, Brazil. (Photo by Christian Petersen/Getty Images)





China's Shang Chunsong chalks the bars before competing in the women's uneven bars event final of the Artistic Gymnastics at the Olympic Arena during the Rio 2016 Olympic Games in Rio de Janeiro on August 14, 2016. (Photo by Thomas Coex/AFP Photo)





China's Shi Tingmao competes in the Women's 3m Springboard Final during the diving event at the Rio 2016 Olympic Games at the Maria Lenk Aquatics Stadium in Rio de Janeiro on August 14, 2016. (Photo by Martin Bureau/AFP Photo)





Samba dancers arrive to perform ahead of the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Jae C. Hong/AP Photo)





Brazil's Formiga, left, jumps for a header over Australia's Katrina Gorry during a quarter-final match of the women's Olympic football tournament between Brazil and Australia at the Mineirao Stadium in Belo Horizonte, Brazil, Friday August 12, 2016. (Photo by Eugenio Savio/AP Photo)





Luisa Fatiaki Taitapu Peters, of the Cook Islands, celebrates after a lift in the women's 75kg weightlifting competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Mike Groll/AP Photo)





Uzbekistan's Oksana Chusovitina stumbles during her aunt routine during the artistic gymnastics women's apparatus final at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Julio Cortez/AP Photo)





Etenesh Diro of Ethiopia competes with one bare foot during the women's 3,000m Steeplechase heats of the Rio 2016 Olympic Games Athletics, Track and Field events at the Olympic Stadium in Rio de Janeiro, Brazil, 13 August 2016. (Photo by Bernd Thissen/EPA)





A dancer performs during the Women's Marathon on Day 9 of the Rio 2016 Olympic Games at the Sambodromo on August 13, 2016 in Rio de Janeiro, Brazil. (Photo by Alexander Hassenstein/Getty Images)





Scott Keach of Australia riding Fedor competes during the Jumping Individual and Team Qualifier on Day 9 of the Rio 2016 Olympic Games at the Olympic Equestrian Centre on August 14, 2016 in Rio de Janeiro, Brazil. (Photo by Christian Petersen/Getty Images)





Luisa Borges and Maria Eduarda Micucci of Brazil compete in the Women's Duets Synchronised Swimming Free Routine Preliminary Round on Day 9 of the Rio 2016 Olympic Games at Maria Lenk Aquatics Centre on August 14, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Rose/Getty Images)





The Men's 470 class competes on Day 9 of the Rio 2016 Olympic Games at the Marina da Gloria on August 14, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Mason/Getty Images)





Jinjie Gong of China races during the Women's Sprint 1/6 Final against Elis Ligtlee of the Netherlands on Day 9 of the Rio 2016 Olympic Games at the Rio Olympic Velodrome on August 14, 2016 in Rio de Janeiro, Brazil. (Photo by Bryn Lennon/Getty Images)





Serbia's team celebrates during their women's preliminary volleyball match against the Netherlands at the Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Jeff Roberson/AP Photo)





Russia's Aliya Mustafina performs on the uneven bars during the artistic gymnastics women's apparatus final at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Dmitri Lovetsky/AP Photo)





Colombia's Caterine Ibarguen makes an attempt in the women's triple jump final during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Matt Dunham/AP Photo)





Usain Bolt (JAM) wins the 100m dash out of lane 6 with Justin Gatlin (bringing home Silver during the Olympic Games on August 14, 2016 in Rio De Janeiro, Brazil. (Photo by Jonathan Newton/The Washington Post)





China's silver medalist He Zi, left, receivers a marriage proposal by China's diver Qin Ki, right, during the medal ceremony for the the women's 3-meter springboard diving final in the Maria Lenk Aquatic Center at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Michael Sohn/AP Photo)





China's diver Qin Kai, left, cheers after silver medalist He Zhi of the women's 3-meter springboard diving finals accepted his marriage proposal in the Maria Lenk Aquatic Center at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Wong Maye-E/AP Photo)





Brazil's Eduarda Taleska, left, scores a goal past Montenegro's Marina Rajcic, right, as Montenegro's Jovanka Radicevic, center, looks on during the women's preliminary handball match between Brazil and Montenegro at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Ben Curtis/AP Photo)





Russia's Anna Sen lies on the ground after scoring during the women's preliminary handball match between the Netherlands and Russia at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Matthias Schrader/AP Photo)





Argentina's Agustin Mazzilli, right, fight for the ball with Spain's Miguel Delas, left, during a men's field hockey quarterfinal match at 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Hussein Malla/AP Photo)