Por ejemplo: Terence Crawford

Featherweight (126 lbs)

Super Bantamweight (122 lbs)

Super Bantamweight (122 lbs)

Super Bantamweight (122 lbs)

Super Bantamweight (122 lbs)

Super Bantamweight (122 lbs)

Dominique Jamar Francis

Super Bantamweight (122 lbs)

Super Bantamweight (122 lbs)

Super Bantamweight (122 lbs)

Super Bantamweight (122 lbs)

Ja'Rico O'Quinn

Super Bantamweight (122 lbs)

Jose Tito Sanchez

Super Bantamweight (122 lbs)

Super Bantamweight (122 lbs)

Super Bantamweight (122 lbs)

Super Bantamweight (122 lbs)

Antonio Vargas

Bantamweight (118 lbs)

Bantamweight (118 lbs)

Bantamweight (118 lbs)

Bantamweight (118 lbs)

Bantamweight (118 lbs)

Bantamweight (118 lbs)

Super Flyweight (115 lbs)

Super Flyweight (115 lbs)

Veronika Dmitriyeva

Super Flyweight (115 lbs)

Flyweight (112 lbs)

Flyweight (112 lbs)

Junior Flyweight (108 lbs)