FRESNO, CALIF. – In an already jam-packed doubleheader featuring Jose Ramirez vs. Rances Barthelemy and Vergil Ortiz Jr. vs. Thomas Dulorme scheduled for Saturday, April 27, Golden Boy announced today the collision course of the mighty Oscar “La Migraña” Duarte (26-2-1, 21 KOs) and U.S. Olympian and former world champion Joseph “JoJo” Diaz Jr. (33-5-1, 15 KOs) in a 10-round lightweight match.