30 days before the battle, Martirosyan weighed 170 pounds, Golovkin was 165.8 pounds. Seven days before the battle Martirosyan showed a mark of 167.1 pounds, Golovkin - 162.9 pounds.
For the fight against Golovkin Martirosyan rose from the light middleweights, in which he spent most part of his career. For Vanes this is the first fight at 160.