Koboyama Daizo

Koboyama Daizo is a former sumo wrestler from Miyagi Prefecture. He was born on 15 August 1957. He was 179 cm tall and weighed 135 kg. He made his professional debut in March 1973. His highest rank was sekiwake, the third-highest rank. In makuuchi, the top division, he recorded 312 wins and 377 losses over 47 tournaments. He received the Technique Prize (gino-sho) twice. His career record was 579 wins and 606 losses over 107 career tournaments. He retired in November 1990. His last stable as an active wrestler was Kumagatani stable.