Brazil's Neymar flies over Honduras goalkeeper Luis Lopez as he scores his side's first goal during a semifinal match of the men's Olympic football tournament against Honduras at the Maracana stadium in Rio de Janeiro, Brazil, on Wednesday. Neymar scored just 15 seconds into the game as Brazil took an early lead over Honduras. It was the fastest goal ever scored in the men's Olympic tournament.

United States' Kawika Shoji (7), celebrates with teammates Matthew Anderson (1), David Lee (4) and William Reid Priddy (8) after defeating Poland in a men's quarterfinal volleyball match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, on Wednesday.

Jelle van Gorkom of the Netherlands competes in the men's seeding run at the Olympic BMX Center during the 2016 Summer Olympics in Rio de Janeiro, Brazil, on Wednesday.

Zhao Shuai of China, left, and Omar Hajjami of Morocco compete in the Men's Taekwondo 58 kg quarterfinal at the 2016 Summer Olympics in Rio de Janeiro, Brazil, on Wednesday.

Canada's Tiffany Foster, riding Tripple X III, competes in a jump off in the equestrian jumping competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Wednesday, Aug. 17, 2016. (AP Photo

Russia's Milana Dadasheva, in red, competes with North Korea's Kim Hyon Gyong during the women's wrestling freestyle 48 kg competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, on Wednesday.

Peru's Yanet Ursula Sovero Nino waits for medical attention after she was injured in her match against Colombia's Jackeline Renteria Castillo during the women's wrestling freestyle 58 kg competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil, on Wednesday.

Australia's Melissa Wu competes during the women's 10-meter platform diving preliminary round in the Maria Lenk Aquatic Center at the 2016 Summer Olympics in Rio de Janeiro, Brazil, on Wednesday.

Indonesia's Liliyana Natsir, left, and Tontowi Ahmad, right, celebrate after winning the gold medal in badminton mixed doubles at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Wednesday, Aug. 17, 2016. They defeated Malaysia's Chan Peng Soon and Goh Liu Ying. (AP Photo/Mark Humphrey)

Netherlands' Nouchka Fontijn, right, fights Britain's Savannah Marshall during a women's middleweight 75kg quarterfinals boxing match at the 2016 Summer Olympics in Rio de Janeiro, Brazil, on Wednesday.

Netherlands' Maria Verschoor, left, fights for the ball with Germany's Selin Oruz during a women's field hockey semifinal match at 2016 Summer Olympics in Rio de Janeiro, Brazil, on Wednesday.

Austria's Jolanta Ogar, right, and Lara Vladau wait for the start of their 470 sailing women's medal race as the lack of wind delayed its start at the 2016 Summer Olympics in Rio de Janeiro, Brazil, on Wednesday.