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Naoya Inoue is a Japanese professional boxer. He is a four-division world champion, having held the WBA (Super), IBF and Ring magazine bantamweight titles since 2018; the WBC bantamweight title in 2019; the WBO junior bantamweight title in 2014; and the IBF junior flyweight title in 2012. Inoue is currently ranked fourth by BoxRec, the best bantamweight in the world, and the best pound-for-pound boxer in the world.