The official weigh-in ceremony for IBA Pro 19 took place in Moscow on July 10th, one day before the show at VTB Arena. and bare-knuckle bouts. The ceremony was attended by boxing legends Manny Pacquiao, Shannon Briggs and Dereck Chisora, adding international star power to the final pre-fight festivities. WBA heavyweight champion Murat Gassiev weighed 229 pounds, 12 ounces, while challenger Peter Kadiru came in at 257 pounds, 4 ounces. Kadiru will enter the ring with a weight advantage of nearly 27 pounds, 9 ounces. The Russian Gassiev will make the first defense of the secondary title he won in December with a sixth-round stoppage of Kubrat Pulev. Since then, world champion Oleksandr Usyk vacated his championship, making Gassiev an "e-mail" champion by default.  Kadiru stepped in after Tony Yoka withdrew because of a back injury. Kadiru enters the bout with a record of 23-1 and 13 knockouts, while Gassiev brings a record of 33-2 with 26 knockouts.