For example: Terence Crawford

Venezuela

Super Featherweight (130 lbs)

Cristobal Lorente

Spain

Featherweight (126 lbs)

Colombia

Featherweight (126 lbs)

United Kingdom

Featherweight (126 lbs)

Sarah Mahfoud

Denmark

Featherweight (126 lbs)

Shakur Stevenson

USA

Featherweight (126 lbs)

Diego De La Hoya

Mexico

Super Bantamweight (122 lbs)

Emanuel Navarrete

Mexico

Super Bantamweight (122 lbs)

Christian Carto

USA

Bantamweight (118 lbs)

Naoya Inoue

Japan

Bantamweight (118 lbs)

Thailand

Bantamweight (118 lbs)

Philippines

Minimumweight (105 lbs)

Hamzah Sheeraz

United Kingdom

Lawrence Okolie

United Kingdom

Wanik Awdijan

Germany

Belgium

Artur Szpilka

Poland

Heavyweight (Unlimited)

Brandon Moore

USA

Heavyweight (Unlimited)

Ebenezer Tetteh

Ghana

Heavyweight (Unlimited)

George Foreman

USA

Heavyweight (Unlimited)

Hemi Ahio

New Zealand

Heavyweight (Unlimited)

Joseph Parker

New Zealand

Heavyweight (Unlimited)

USA

Heavyweight (Unlimited)

Leif Larsen

Norway

Heavyweight (Unlimited)

Lennox Lewis

United Kingdom

Heavyweight (Unlimited)

USA

Heavyweight (Unlimited)

USA

Heavyweight (Unlimited)

Mark De Mori

Croatia

Heavyweight (Unlimited)

USA

Heavyweight (Unlimited)

Mike Tyson

USA

Heavyweight (Unlimited)

Oleksandr Zakhozhyi

Ukraine

Heavyweight (Unlimited)