Sung Jun Yang0-4-0WinsLossesKO/TKO0% of winsSUBMISSION0% of winsDECISION0% of winsAgeN/ASung Jun YangAmateur MMA Record0-4-0WinsLossesKO/TKO0% of winsSUBMISSION0% of winsDECISION0% of winsAgeN/A