On the eve of the fight, both opponents participated in the weigh-in ceremony. Nurmaganbet's weight was recorded at 171.6 pounds (77.83 kilograms), while Murrieta Lucio weighed in at 168.4 pounds (76.38 kg). The limit for the second weight class is 168 pounds or 76.2 kg; however, a slight weight allowance is permitted for non-title bouts.
It’s worth noting that Bek Nurmaganbet's most recent fight took place on September 15 as part of the undercard for the boxing evening featuring Saul "Canelo" Alvarez (62-2-2, 39 KOs) against Edgar Berlanga (22-1, 17 KOs) in Las Vegas, Nevada. He faced American Joshua Conley (17-7-1, 11 KOs) and won by technical knockout in the second round. The Kazakh boxer has frequently trained in the same gym as "Canelo" and has assisted him as a sparring partner.