High Quality Content by WIKIPEDIA articles! Gennadiy Gennadyevich Golovkin (Kazakh: Геннадий Геннадьевич Головкин; born April 8, 1982) is an undefeated Kazakh boxer who competed in the Middleweight (75 kg) at the 2004 Summer Olympics and won the silver medal. He is the current WBA middleweight champion.