Koichi Wajima is a Japanese former professional boxer who was the undisputed light-middleweight champion. He held the WBA and WBC titles from 1971 and 1974, he regained the titles in January 1975 that included The Ring title but lost it right away on June of the same year. He once again won the WBA and The Ring title in 1976.
Biography from Wikipedia, licensed under CC BY-SA.
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