For example: Terence Crawford

USA

Super Featherweight (130 lbs)

Ken Koibuchi

Japan

Super Featherweight (130 lbs)

David Perez

USA

Featherweight (126 lbs)

Jan Paul Rivera Pizarro

Puerto Rico

Featherweight (126 lbs)

Jessica Bellusci

Italy

Featherweight (126 lbs)

Joe McGrail

United Kingdom

Featherweight (126 lbs)

Masood Abdulah

United Kingdom

Featherweight (126 lbs)

France

Featherweight (126 lbs)

Shakur Stevenson

USA

Featherweight (126 lbs)

Vic Darchinyan

Armenia

Featherweight (126 lbs)

Arturo Popoca

Mexico

Super Bantamweight (122 lbs)

Dennis McCann

United Kingdom

Super Bantamweight (122 lbs)

Emanuel Navarrete

Mexico

Super Bantamweight (122 lbs)

Mexico

Super Bantamweight (122 lbs)

Liam Davies

United Kingdom

Super Bantamweight (122 lbs)

Luis Rodriguez Ocana

Mexico

Super Bantamweight (122 lbs)

Yukinori Oguni

Japan

Super Bantamweight (122 lbs)

Cherneka Johnson

Australia

Bantamweight (118 lbs)

United Kingdom

Bantamweight (118 lbs)

Alina Shaternikova

Ukraine

Super Flyweight (115 lbs)

Ephraim Bui

USA

Super Flyweight (115 lbs)

Italy

Flyweight (112 lbs)

Taku Kuwahara

Japan

Flyweight (112 lbs)

Yankiel Rivera Figueroa

Puerto Rico

Flyweight (112 lbs)

Japan

Minimumweight (105 lbs)

Chris Bourke

United Kingdom

Cody Crowley

Canada

David Jimenez

Costa Rica