Francesco Pianeta is an Italian former professional boxer who competed from 2005 to 2018. He challenged for the unified WBA (Super), IBF, WBO and The Ring heavyweight championship in 2013, the WBA (Regular) title in 2015, and in his final fight for the Lineal heavyweight championship in 2018. At regional level, he held the European Union heavyweight title from 2008 to 2009.

Wladimir Klitschko is a Ukrainian former professional boxer who competed from 1996 to 2017. He held the world heavyweight championship twice, including the unified WBA (Super), IBF, WBO, IBO, and Ring magazine titles. A strategic and intelligent boxer, Klitschko is considered to be one of the greatest heavyweight champions of all time. He was known for his exceptional knockout power, using a strong jab, straight right hand and left hook, quick hand speed, great physical strength which he employed when clinching opponents, and his athletic footwork and mobility, unusual for boxers of his size.