Gennady Golovkin is an athlete.
Gennady Golovkin . As of May 2017 , he is ranked as the world 's best middleweight by BoxRec and the Transnational Boxing Rankings Board , and second best by The Ring . Golovkin won his first major world championship , the WBA interim middleweight title , by defeating Milton Núñez in 2010 . Golovkin is also said to have one of the best chins in modern boxing , having never been knocked down or knocked out in a total of 387 fights , neither as a professional nor amateur .