Mike Alvarado added to Gilberto Ramirez vs. Roamer Angulo card on June 30

By Chris Williams: Former WBO light welterweight champion Mike 'Mile High' Alvarez (38-4,26 KOs) will be fighting journeyman Martin Angel Martinez (18-14-1, 11 KOs) on June 30 on the undercard of WBO super middleweight champion Gilberto 'Zurdo' Ramirez vs.