Gennady Golovkin holds the title of champion.
Gennady Golovkin . 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 . The Transnational Boxing Rankings Board ( TBRB ) is an all-volunteer initiative formed in October 2012 with the intention of providing professional boxing with authoritative top-ten rankings , identifying the singular world champion of every division by unbiased reasoning and common sense , and to insist on the sport 's reform .