Olympic athletes make some pretty ridiculous faces
Patricio Garino shoots the ball during a preliminary round game between Nigeria and Argentina.
Brazil's Neymar Jr. heads the ball during a match against Iraq.
Team USA's Laurie Hernandez prepares to land on the balance beam.
This is why 16-year-old Hernandez is about to tear up the gymnastics world.
American diver Kristian Ipsen executes a training dive.
Yun Chol Om of North Korea competes in the men's 56kg weightlifting contest.
Yuki Uchiyama of Japan competes on the uneven bars.
Japan's Koji Takei swims in a preliminary water polo game versus Greece.
Canadian rugby player Karen Paquin scores in a game against Brazil.
Oksana Chusovitina of Uzbekistan competes on the vault.
PS: She's a 41-year-old mom who's competing in her seventh Olympics.
German table tennis player Dimitrij Ovtcharov volleys with Qatar's Li Ping.
Joseph Clarke of Great Britain paddles through a kayak heat.
Russian gymnast Nikolai Kuksenkov flips off of the parallel bars.
Konstantinos Flegkas blocks a shot in a preliminary water polo matchup between Greece and Japan.
Novak Djokovic of Serbia plays a backhand in a singles match against Juan Martin Del Potro of Argentina.
Brazilian diver Tammy Takagi competes in the synchronized springboard diving final.
Adriana Pinto, left, and Tessa Lavey fight for the ball in a women's basketball game between Brazil and Australia.
American swimmer Michael Phelps — the most decorated Olympian of all time — aggressively cheers his teammates in the 4x100 freestyle relay.
Mai Murakami of Japan launches into a vault.
Australia's Mariafe Artacho del Solar of Australia dives during a beach volleyball match with Switzerland.
Team USA's Madison Keys plays a singles match against France's Kristina Mladenovic.
British gymnast Max Whitlock of Great Britain flies high above the parallel bars.
Australia's Caitlin Foord and German's Annike Krahn face off in women's soccer.
Brazil's Marina Gobbi Canetta prepares to shoot during an archery elimination round.
Victor Scvortov of United Arab Emirates (in blue) fights Shohei Ono of Japan in men's Judo.
Sabine Kusterer of Germany competes during the women's 58kg weightlifting contest.
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