Gennady Gennadyevich Golovkin (Kazakh: Геннадий Геннадьевич Головкин; born 8 April 1982) is a Kazakhstani professional boxer who currently holds the unified WBA (Super), WBC, IBF, and IBO middleweight titles. As of May 2017, he is ranked as the world's best middleweight by BoxRec and the Transnational Boxing Rankings Board (TBRB), and second best by The Ring. He is also ranked as the world's second best active boxer, pound for pound, by The Ring; and fifth by BoxRec and the TBRB.Golovkin won his first major world championship, the WBA interim middleweight title, by defeating Milton Núñez in 2010. He was elevated to WBA (Regular) champion in the same year, and in 2011 would win the vacant IBO middleweight title by defeating Lajuan Simon. In 2014, Golovkin was elevated to his current status of WBA (Super) champion and successfully defended both his titles against Daniel Geale. Later that year he defeated Marco Antonio Rubio to add the WBC interim middleweight title to his collection, and defeated David Lemieux in 2015 to win the IBF middleweight title. After Canelo Álvarez vacated his WBC middleweight title in 2016, Golovkin was elevated to full champion and now holds world titles by three of the four major boxing sanctioning bodies. Wikipedia
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