Gennady Gennadyevich Golovkin (Kazakh: Геннадий Геннадийұлы Головкин; Russian: Геннадий Геннадьевич Головкин; born April 8, 1982) is a Kazakh boxer who competed in the middleweight (75 kg) division at the 2004 Summer Olympics, where he won the silver medal. Currently undefeated as…