Monica Puig of Puerto Rico cries after winning the gold medal of the women's tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 13, 2016. (Photo by Vadim Ghirda/AP Photo)





Monica Puig, of Puerto Rico, tosses her racquet and celebrates after winning the gold medal against Angelique Kerber, of Germany, during the final round at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 13, 2016. (Photo by Charles Krupa/AP Photo)





Denmark's Pernille Blume reacts after winning the women's 50-meter freestyle final during the swimming competitions at the 2016 Summer Olympics, Saturday, August 13, 2016, in Rio de Janeiro, Brazil. (Photo by Rebecca Blackwell/AP Photo)





2016 Rio Olympics, Badminton, Mixed Doubles Group Play, Riocentro, Pavilion 4, Rio de Janeiro, Brazil on August 13, 2016. Ayane Kurihara (JPN) of Japan lies on the court during play with Kenta Kazuno (JPN) of Japan against Kim Ha-Na (KOR) of South Korea and Ko Sung-Hyun (KOR) of South Korea. (Photo by Marcelo del Pozo/Reuters)





2016 Rio Olympics, Trampoline Gymnastics, Preliminary, Men's Qualification, Rio Olympic Arena, Rio de Janeiro, Brazil on August 13, 2016. Olympics mascot Vinicius performs ahead of the men's trampoline event. (Photo by Mike Blake/Reuters)





2016 Rio Olympics, Cycling Track, Preliminary, Women's Keirin First Round, Rio Olympic Velodrome, Rio de Janeiro, Brazil on August 13, 2016. Laurine van Riessen (NED) of Netherlands and Virginie Cueff (FRA) of France compete. (Photo by Paul Hanna/Reuters)





Isabelle Forrer of Switzerland (R) in action against Kira Walkenhorst of Germany (L) during the women's Beach Volleyball game of the Rio 2016 Olympic Games at the Beach Volleyball Arena on Copacabana Beach in Rio de Janeiro, Brazil, 13 August 2016. (Photo by Mario Ruiz/EPA)





Spanish 49ER fx sailors Tamara Echegoyen Dominguez and Berta Betanzos Moro compete during olympic race in Guanabara Bay in Rio de Janeiro, Brazil, 13 August 2016. (Photo by Olivier Hoslet/EPA)





Pamela Ware of Canada performs in the Rio 2016 Olympic Games women's 3m springboard semifinal at the Maria Lenk Aquatics Centre in the Olympic Park in Rio de Janeiro, Brazil, 13 August 2016. (Photo by Patrick B. Kraemer/EPA)





Gyorgyi Zsivoczky-Farkas of Hungary competes in the Javelin Throw portion of the Heptathlon event 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 Diego Azubel/EPA)





Yanic Gentry Torfer of Mexico rounds the mark in his Laser Class race on Day 7 of the Rio 2016 Olympic Games at Marina da Gloria on August 12, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Mason/Getty Images)





Athletes start the Women's 3000m Steeplechase Round 1 on Day 8 of the Rio 2016 Olympic Games at the Olympic Stadium on August 13, 2016 in Rio de Janeiro, Brazil. (Photo by Cameron Spencer/Getty Images)





Peruth Chemutai of Uganda and Lydia Chebet Rotich of Kenya competes in round one of the Women's 3000m Steeplechase on Day 8 of the Rio 2016 Olympic Games at the Olympic Stadium on August 13, 2016 in Rio de Janeiro, Brazil. (Photo by Paul Gilham/Getty Images)





Yana Egorian of Russia competes against Tania Arrayales of Mexico during the Women's Sabre Team Quarterfinals on August 13, 2016 in Rio de Janeiro, Brazil. (Photo by Jamie Squire/Getty Images)





Russia celebrates winning gold after the Women's Sabre Team gold medal match between Russia and Ukraine on Day 8 of the Rio 2016 Olympic Games at Carioca Arena 3 on August 13, 2016 in Rio de Janeiro, Brazil. (Photo by Tom Pennington/Getty Images)





Tori Bowie of the United States celebrates after the Women's 100m Final on Day 8 of the Rio 2016 Olympic Games at the Olympic Stadium on August 13, 2016 in Rio de Janeiro, Brazil. (Photo by Shaun Botterill/Getty Images)





Belgium's Nafissatou Thiam, center, competes in the women's heptathlon 800-meter heat during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Saturday, August 13, 2016. (Photo by David J. Phillip/AP Photo)





France's Kafetien Gomis competes in the Men's Long Jump Qualifying Round during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 12, 2016. (Photo by Antonin Thuillier/AFP Photo)





Germany's Angelique Kerber reacts after winning a set against Monica Puig of Puerto Rico in the gold medal match of the women's tennis competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 13, 2016. (Photo by Vadim Ghirda/AP Photo)





Indonesia's Nitya Krishinda Maheswari, right, and Greysia Polii, return a shot to Malaysia's Vivian Hoo Kah Mun and Woon Khe Wei during a Women Double match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 13, 2016. (Photo by Kin Cheung/AP Photo)





Jamaica's Usain Bolt, center, Trinidad and Tobago's Richard Thompson, right, and Britain's James Dasaolu compete in a men's 100-meter heat during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Saturday, August 13, 2016. (Photo by David J. Phillip/AP Photo)





Jessica Ennis-Hill of Great Britain competes in the Women's Heptathlon Long Jump on Day 8 of the Rio 2016 Olympic Games at the Olympic Stadium on August 13, 2016 in Rio de Janeiro, Brazil. (Photo by Alexander Hassenstein/Getty Images)





Maria Bernard of Canada competes in the Women's 3000m Steeplechase Round 1 on Day 8 of the Rio 2016 Olympic Games at the Olympic Stadium on August 13, 2016 in Rio de Janeiro, Brazil. (Photo by Paul Gilham/Getty Images)





Monica Puig (PUR) reacts after she captured the Gold Medal with a win over Angelique Kerber (GER) in tennis during the Olympic Games on August 13, 2016 in Rio De Janeiro, Brazil. (Photo by Jonathan Newton/The Washington Post)





Netherlands' pivot Yvette Broch takes a 7-metre shoot out during the women's preliminaries Group B handball match Sweden vs Netherlands for the Rio 2016 Olympics Games at the Future Arena in Rio on August 12, 2016. (Photo by Roberto Schmidt/AFP Photo)





New Zealand's Valerie Adams competes in the final of the women's shot put during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Friday, August 12, 2016. (Photo by Matt Dunham/AP Photo)





Tunisia's Oussama Mellouli starts during the men's 1500-meter freestyle heat during the swimming competitions at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Friday, August 12, 2016. (Photo by Lee Jin-man/AP Photo)





China's Xu Lijia competes during the Laser Radial women race at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Friday, August 12, 2016. (Photo by Bernat Armangue/AP Photo)





Brazil's Kahena Kunze and Brazil's Martine Grael compete in the 49er FX Women sailing class on Guanabara Bay in Rio de Janerio during the Rio 2016 Olympic Games on August 12, 2016. (Photo by William West/AFP Photo)





Germany's Jenny Elbe competes during a qualifying round triple jump at the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Saturday, August 13, 2016. (Photo by Morry Gash/AP Photo)





Brazil's Nubia Soares competes in a qualifying round of the women's triple jump during the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Saturday, August 13, 2016. (Photo by Matt Dunham/AP Photo)





United States' Melissa Gonzalez, right, falls while fights for the ball with Britain's Nicola White during a women's field hockey match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Saturday, August 13, 2016. (Photo by Dario Lopez-Mills/AP Photo)





New Zealand's Olivia Podmore (L) and Spain's Tania Calvo Barbero fall during the women's Keirin first round track cycling event at the Velodrome during the Rio 2016 Olympic Games in Rio de Janeiro on August 13, 2016. (Photo by Greg Baker/AFP Photo)





Jennifer Oeser of Germany competes in the Women's Heptathlon Long Jump on Day 8 of the Rio 2016 Olympic Games at the Olympic Stadium on August 13, 2016 in Rio de Janeiro, Brazil. (Photo by Alexander Hassenstein/Getty Images)





Athletes compete in the Women's 3000m Steeplechase Round 1 during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 13, 2016. (Photo by Franck Fife/AFP Photo)