About Joseph Diaz

Joseph "JoJo" Pedroza Diaz Jr. (born November 23, 1992) is an Mexican-American professional boxer who held the WBC interim lightweight title from July 2021 to December 2021. He also held the IBF super featherweight title from 2020 to February 2021 and challenged once for the WBC featherweight title in 2018. At regional level, he held the WBC-NABF, and WBO-NABO featherweight titles between 2015 and 2018. As an amateur he competed at the 2012 Olympics as a bantamweight.

Joseph is of Mexican descent. He attended Kranz Intermediate at the age of 12–14. He is left-handed and fights southpaw. As a child he played baseball but took up boxing to learn self-defense. He is coached by his father. He attended South El Monte High School.