Roy Moore (wrestler)

Roy Moore was a wrestling and judo coach, best known for instituting the weight class system in judo. Moore was trained by Frank Gotch. He earned the World Wrestling Championship title in Chicago beating Judoka Mattie Matsuda. Matsuda later became his judo coach. Moore earned a fifth degree black belt in judo. He later joined the US Navy.
Moore was described as a "forgotten pioneer of judo" in an article written by Haywood Nikosha. Moore, at the request of Jigoro Kano, implemented the weight class system in judo. He later served as the first Olympic coach for Japan's wrestling team in 1932.