Golovkin Derevyanchenko Boxing

FILE - In this Aug. 22, 2019, file photo, Kazakhstan's Gennady Golovkin, left, and Ukraine's Sergiy Derevyanchenko, pose for photos after a news conference at New York's Madison Square Garden.Ā Longtime middleweight champion Golovkin can regain one of his old belts when he faces Derevyanchenko on Saturday night.