Tags: Sumo Wrestler, Wrestler.
Kaiō Hiroyuki (born 24 July 1972 as Hiroyuki Koga) is a former professional sumo wrestler from Nōgata Fukuoka Japan. He made his debut in 1988 reaching the top makuuchi division in 1993. He held the second highest rank of ōzeki or champion for eleven years from 2000 to 2011 and is the longest-serving ōzeki of all time in terms of number of tournaments fought. In his career he won five top division yūshō or tournament championships the last coming in 2004.
