For example: Terence Crawford

Tyson Fury

United Kingdom

Heavyweight (Unlimited)

Oleksandr Usyk

Ukraine

Cruiserweight (200 lbs)

Deontay Wilder

USA

Heavyweight (Unlimited)

Anthony Joshua

United Kingdom

Heavyweight (Unlimited)

Joseph Joyce

United Kingdom

Heavyweight (Unlimited)

Dmitry Bivol

Russia

Light Heavyweight (175 lbs)

Saul Alvarez

Mexico

Middleweight (160 lbs)

Jermell Charlo

USA

Super Welterweight (154 lbs)

Gennadiy Golovkin

Kazakhstan

Middleweight (160 lbs)

Dillian Whyte

United Kingdom

Heavyweight (Unlimited)

Zhilei Zhang

China

Heavyweight (Unlimited)

Gervonta Davis

USA

Super Featherweight (130 lbs)

Andy Ruiz

USA

Heavyweight (Unlimited)

Daniel Dubois

United Kingdom

Heavyweight (Unlimited)

Dereck Chisora

United Kingdom

Heavyweight (Unlimited)

Devin Haney

USA

Lightweight (135 lbs)

Shakur Stevenson

USA

Featherweight (126 lbs)

Mike Tyson

USA

Heavyweight (Unlimited)

Terence Crawford

USA

Super Lightweight (140 lbs)

Filip Hrgovic

Croatia

Heavyweight (Unlimited)

Joseph Parker

New Zealand

Heavyweight (Unlimited)

Oleksandr Gvozdyk

Ukraine

Light Heavyweight (175 lbs)

Teofimo Lopez

USA

Lightweight (135 lbs)

Robert Helenius

Finland

Heavyweight (Unlimited)

Mairis Briedis

Latvia

Cruiserweight (200 lbs)

Errol Spence Jr

USA

Welterweight (147 lbs)

Ryan Garcia

USA

Lightweight (135 lbs)

Wladimir Klitschko

Ukraine

Heavyweight (Unlimited)

Tony Bellew

United Kingdom

Cruiserweight (200 lbs)

Artur Beterbiev

Russia

Light Heavyweight (175 lbs)

Gary Allen Russell Jr

USA

Featherweight (126 lbs)

Ebanie Bridges

Australia