Olympic Moments: Michael Phelps Claims 21st Gold Medal
The U.S. women's gymnastics team soars to the top, U.S. swimmers take gold and more from the fourth day of the Rio Olympics.
Polish players jump to block the ball during the men's qualifying volleyball match with Iran.
United States' Lauren Hernandez performs soars through her routine during the artistic gymnastics women's team final.
Simone Biles of the United States competes on the balance beam during the artistic gymnastics women's team final.
Doaa Elghobashy of Egypt celebrates while Marta Menegatti of Italy walks away during the women's beach volleyball preliminary Pool A match on Day 4 of the Rio 2016 Olympic Games.
Canadian players celebrate their victory after the women's soccer match against Germany.
Japan's point guard Asami Yoshida heads for the basket next to Turkey's point guard Olcay Cakir during a women's round Group A basketball match.
Azerbaijan's Kamran Shakhsuvarly fights China's Zhao Minggang during a men's middleweight 75-kg preliminary boxing match.
Algeria's Ilyas Abbadi pauses during a fight against Congo's Mpi Anauel Ngamissengue during a men's middleweight 75-kg preliminary boxing match.
Travis Stevens of the United States and Khasan Khalmurzaev of Russia compete in the men's 81kg gold medal bout.
Kazuyasu Minobe of Japan reacts during the match against Marco Fichera of Italy during the men's epee individual.
Iran's Zahra Nemati shoots an arrow during the women's competition.
Xiaoxia Li of China competes against I-Ching Cheng of Chinese Taipei during the women's singles quarterfinal 3 table tennis.
Benjamin Savsek of Slovenia competes in the men's semifinal canoe single.
Sean Gunn of Zimbabwe competes in the men's preliminary 100m freestyle heat.