Artur Asilbekovich Beterbiev is a Russian and Canadian professional boxer. He is a unified champion in the light-heavyweight division, having held the International Boxing Federation (IBF) title since 2017, the World Boxing Council (WBC) title since 2019, and the World Boxing Organization (WBO) title since 2022. As an amateur, Beterbiev won a silver medal at the 2007 World Championships, gold at the 2008 World Cup and 2009 World Championships, as well as gold at the 2006 and 2010 European Championships, all in the light-heavyweight division. He also reached the quarter-finals of the heavyweight bracket at the 2012 Olympics.

Oleksandr Oleksandrovych Usyk is a Ukrainian professional boxer. He has held multiple world championships in two weight classes, including the unified heavyweight titles since 2021, and the Ring magazine title since 2022. He has also held the International Boxing Organization (IBO) title since 2021. Previously, he held the undisputed cruiserweight championship from 2018 to 2019, being the first boxer in that division to hold all four major world titles.