For example: Terence Crawford

Leo Santa Cruz

Mexico

Featherweight (126 lbs)

Rafael Rivera

Mexico

Super Featherweight (130 lbs)

Gervonta Davis

USA

Super Featherweight (130 lbs)

Hugo Ruiz

Mexico

Featherweight (126 lbs)

Eleider Alvarez

Colombia

Light Heavyweight (175 lbs)

Sergey Kovalev

Russia

Light Heavyweight (175 lbs)

Keith Thurman

USA

Welterweight (147 lbs)

Josesito Lopez

USA

Welterweight (147 lbs)

Karen Chukhadzhyan

Ukraine

Welterweight (147 lbs)

Carlos Mohamed Rodriguez

Mexico

Welterweight (147 lbs)

Errol Spence Jr

USA

Welterweight (147 lbs)

Mikey Garcia

USA

Super Lightweight (140 lbs)

Oleksandr Gvozdyk

Ukraine

Light Heavyweight (175 lbs)

Doudou Ngumbu

France

Light Heavyweight (175 lbs)

Saul Alvarez

Mexico

Middleweight (160 lbs)

Daniel Jacobs

USA

Super Middleweight (168 lbs)

Francis Ngannou

France

Heavyweight (265 lbs)

Cain Velasquez

USA

Heavyweight (265 lbs)

Israel Adesanya

Nigeria

Middleweight (185 lbs)

Anderson Silva

Brazil

Welterweight (170 lbs)

Fedor Emelianenko

Russia

Heavyweight (265 lbs)

Ryan Bader

USA

Light Heavyweight (205 lbs)

Henry Cejudo

USA

Flyweight (125 lbs)

T.J. Dillashaw

USA

Bantamweight (135 lbs)

Jon Jones

USA

Light Heavyweight (205 lbs)

Anthony Smith

USA

Light Heavyweight (205 lbs)

Jan Blachowicz

Poland

Light Heavyweight (205 lbs)

Thiago Santos

Brazil

Middleweight (185 lbs)

Petr Yan

Russia

Bantamweight (135 lbs)

John Dodson

USA

Bantamweight (135 lbs)

Ben Askren

USA

Welterweight (170 lbs)

Robbie Lawler

USA

Welterweight (170 lbs)