SUMO/ Retired wrestlers in blue jackets carry enormous weight in arenas | The Asahi Shimbun: Breaking News, Japan News and Analysis
Former ozeki great Kaio, now stablemaster Asakayama, continued his wrestling career until he was nearly 40 because he could still dominate junior wrestlers in the dohyo.
Japan General Stablemaster Shibatayama Stablemaster Oguruma Ryogoku Kokugikan Nihon University Japan Sumo Association
Source: asahi.com