What was the nickname of the boxer to which Milton Núñez lost the interim WBA middleweight title?
Milton Núñez (boxer):  Nunez's biggest fight was against Gennady Golovkin for the interim WBA middleweight title. Milton Núñez (boxer):  In this title fight, Milton lost by knockout in 58 seconds. Gennady Golovkin: Gennady Gennadyevich Golovkin (; born 8 April 1982), often known by his nickname "GGG" or "Triple G", is a Kazakhstani professional boxer who currently holds the unified WBA (Super), WBC, IBF, and IBO middleweight titles.
GGG