Tags: Sumo Wrestler, Wrestler.
Masuiyama Daishirō (born 16 November 1948 as Noboru Sawada) is a former sumo wrestler from Hyōgo Japan. In 1980 he became the oldest man to be promoted to the rank of ōzeki in the modern era (since 1958). After retiring from active competition in 1981 he became a sumo coach and an elder of the Japan Sumo Association under the name Mihogaseki and produced several top division wrestlers as head of Mihogaseki stable before stepping down upon reaching age 65 in 2013.