Sumo
sumo - the official site of the british sumo federation
Sports, Martial Arts, Sumo - British Sumo Federation. The official site for sumo wrestling in the UK including news, events and pictures.
http://www.sumo.org.uk
USA SUMO -California Sumo Association-
Sports, Martial Arts, Sumo - California Sumo Association. Contains overview of sumo within the United States and the sport's bid to become an Olympic sport.
https://www.usasumo.com/