George Arias is a Brazilian former professional boxer. He challenged once for the WBO cruiserweight title in 2001.

Kubrat Venkov Pulev is a Bulgarian professional boxer. He has challenged once for the IBF and the Ring magazine heavyweight titles in 2014, and once for the unified heavyweight title in 2020. At regional level, he has held multiple heavyweight championships, including the European title twice between 2012 and 2016. As an amateur, he won multiple medals at international tournaments, including gold at the 2008 European Championships and bronze at the 2005 World Championships, all in the super-heavyweight division. He also represented Bulgaria at the 2008 Olympics.