Date of Birth: 
About Yoshiazuma Hiroshi
- Yoshiazuma Hiroshi (born 26 May 1977 as Hiroshi Ishihara) is a Japanese professional sumo wrestler from Kashima, Kumamoto.
- He made his professional debut in January 1996 and reached the top division in September 2011.
- His highest rank has been maegashira 12.
- The fifteen years it took him to reach the top division is the third-slowest progress ever, in the history of professional sumo wrestling.
Read more at Wikipedia