Four-division world boxing champion Kosei Tanaka of Japan announced his retirement Wednesday, citing issues with his eyes.

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Japan's Kosei Tanaka - the quickest fighter to win world titles in four weight divisions - has retired from boxing because of ...

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Sad news out of Japan today, as four-division champion Kosei Tanaka announced his premature retirement at 29 due to chronic ...

More attention in Japan – and among boxing fans overall ... secondary WBA “interim” belt at 168lbs. His reign began in early 2019, when he won the IBF title from Jose Uzcategui.

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NONITO “THE FILIPINO FLASH” DONAIRE JR. is also making a comeback after a two-year hiatus when he fights Chile’s Andres Campos on June 14 for the interim World Boxing Association bantamweight belt.

Four-weight world champion Kosei Tanaka has called a day on his career at the age of just 29 due to a series of eye injuries.