Julio Díaz (born December 24, 1979) is a Mexican former professional boxer who is a Former IBF Lightweight World Champion the brother of boxing trainer Joel Díaz and former world champion Antonio Díaz.
Professional career
Diaz captured the IBF lightweight interim title with a win over Ricky Quiles in 2006 and then IBF lightweight title with a knockout win over Jesús Chávez in February 2007.
On October 13, 2007, Diaz lost his title to the Mexican American Juan Díaz. After a third round knockout loss to Keith Thurman in 2014, Diaz announced his retirement.