Yum Dong-kyun

Dong-Kyun Yum (Hangul: 염동균, Hanja: 廉東均) (born November 10, 1950 in Okcheon, Chungcheongbuk-do) is a former professional boxer from South Korea. He is a former Lineal and WBC junior featherweight champion.
Boxing career.
Yum turned professional in November 24, 1976. He became the WBC and Lineal Super Bantamweight champion when he defeated Royal Kobayashi by majority decision over 15 rounds. In the following year, he successfully defended his titles against Jose Cervantes but lost to Wilfredo Gomez in his third title defense.
He retired in 1980 with an impressive record of 53 wins with 21 knockouts, 5 defeats and 8 draws.