(L-R) Natalie Burns and Taunia Arave battle as referee Nick Stevens (R) looks on during the US National Sumo Championships at the Riviera Hotel & Casino June 24, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Sumo wrestlers perform a show fight during an annual sumo tournament dedicated to the Yasukuni Shrine in Tokyo, Japan on April 16, 2018. (Photo by Toru Hanai/Reuters)

Indian wrestlers Rashid Anwar (left) and Ajaib Singh in a training bout at Lane's Club in Baker Street London before the Empire Games, 19th July 1934. (Photo by Keystone/Hulton Archive/Getty Images)

Children exercise before a wrestling practice session at an old Basque ball game gymnasium in downtown Havana, October 30, 2014. (Photo by Alexandre Meneghini/Reuters)

The Fighting Cholitas are a group of female wrestlers who perform in El Alto, Bolivia. Tickets to the exhibitions cost $1. Like the general population of El Alto, which consists almost entirely of Aymara and Quechua residents, the Cholitas are indigenous. They wear braided hair, bowler hats and multilayered skirts in the ring. Here: Barbara Quisbert and Susana La Bonita, cholitas wrestlers, fight during their return to the ring after the coronavirus disease (COVID-19) restrictions, in El Alto outskirts of La Paz, November 29, 2020. (Photo by David Mercado/Reuters)

A Mongolian wrestler adjusts her hair before a match during the 2016 World Sumo Championship on July 30, 2016 in Ulaanbaatar, Mongolia. (Photo by Taylor Weidman/Getty Images)

Colombia midfielder Natalia Gaitan (3) goes up for a header against Mexico midfielder Nayeli Rangel (7) in Moncton, June 9, 2015. (Photo by Matt Kryger/USA TODAY Sports)