Boxing Tsunenari Tanaka holds press conference: ``I'm ready to become a 4-division champion.'' Six years ago, Tanaka won the minimumweight, light flyweight, and flyweight divisions in his 12th professional fight. Tanaka is currently ranked No.
1 in the world by the WBO (World Boxing Organization) in the super flyweight division. On the 24th, he held a press conference in Tokyo ahead of his championship match against the world's second-ranked Mexican athlete.