Only one day left before WBA world middleweight champion Gennady Golovkin will defend his title against Lajuan Simon. Today the two fighters stepped on the scale. Golovkin weighed 71.9 kg (158.5 lbs) and Simon weighed 71.0 kg (156.5 lbs). The officials are WBA Ssupervisor: Jesper Jensen (Denmark), Referee: Jose Ignacio Martinez (Spain), Judges: Pawel Kardyni (Poland), Philippe Verbeke (Belgium) and Artur Ellensohn (Germany). Today the IBO announced that the bout will also be for the vacant IBO world middleweight title.