Premise: Gennady Gennadyevich Golovkin ( 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 , and second best by The Ring . He is also ranked as the world 's third best boxer , pound for pound , by The Ring , fifth by BoxRec , and seventh by the Transnational Boxing Rankings Board . 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 .
Hypothesis: Gennady Golovkin is not a boxer.
Label: CONTRADICTION