For example: Terence Crawford

Patricky Freire

Brazil

Lightweight (155 lbs)

Robert Whittaker

Australia

Middleweight (185 lbs)

Sean Strickland

USA

Middleweight (185 lbs)

Kamaru Usman

Nigeria

Welterweight (170 lbs)

Curtis Blaydes

USA

Heavyweight (265 lbs)

Francis Ngannou

Cameroon

Heavyweight (265 lbs)

Joaquin Buckley

USA

Welterweight (170 lbs)

Ilia Topuria

Spain

Featherweight (145 lbs)

Shamil Gaziev

Bahrain

Heavyweight (265 lbs)

Jared Cannonier

USA

Middleweight (185 lbs)

Arman Tsarukyan

Armenia

Lightweight (155 lbs)

Tonya Evinger

USA

Women's Featherweight (145 lbs)

Merab Dvalishvili

Georgia

Bantamweight (135 lbs)

Ronda Rousey

USA

Women's Bantamweight (135 lbs)

Sean O'Malley

USA

Bantamweight (135 lbs)

Umar Nurmagomedov

Russia

Bantamweight (135 lbs)

Tom Aspinall

United Kingdom

Heavyweight (265 lbs)

Alex Pereira

Brazil

Light Heavyweight (205 lbs)

Volkan Oezdemir

Switzerland

Light Heavyweight (205 lbs)

Chris Curtis

USA

Middleweight (185 lbs)

Johny Hendricks

USA

Middleweight (185 lbs)

Michael Page

United Kingdom

Middleweight (185 lbs)

Nassourdine Imavov

France

Middleweight (185 lbs)

Belal Muhammad

USA

Welterweight (170 lbs)

Cedric Doumbe

France

Welterweight (170 lbs)

Florim Zendeli

Macedonia

Welterweight (170 lbs)

Conor McGregor

Ireland

Lightweight (155 lbs)

Dustin Poirier

USA

Lightweight (155 lbs)

Islam Makhachev

Russia

Lightweight (155 lbs)

Kayla Harrison

USA

Lightweight (155 lbs)

Khabib Nurmagomedov

Russia

Lightweight (155 lbs)

Max Holloway

USA

Featherweight (145 lbs)