Full name
David Fernando Cuellar Contreras
Birthdate
October 26, 2001
place of birth
Queretaro, Mexico
Debut
On July 1, 201, at the Arena Querétaro, he defeated Omar Martínez Hernández by unanimous decision in four rounds.
earned his title
On June 12, 2021, at the Benito Juárez Auditorium in Los Mochis, Sinaloa, he defeated Karim Arce by technical knockout and won the vacant world youth bantamweight title.