In order to maintain “all of the belts” Golovkin must face his mandatory challengers making Derevyanchenko, ranked #1 by the IBF a sensible choice.
Derevyanchenko may not be as well known as the other names on this list but “the Technician” is undefeated with victories over Tureano Johnson, former IBF middleweight champion Sam Soliman and Felix Sturm.