Complex sentence: He suffered his first loss three fights later, when disqualified against Magarito Lozano, but claimed victory in his next eight bouts, seven by knockout, including wins over notables Juan Díaz, Rocky Mijares and Willie Jespen.
Split into simpler sentences: He suffered his first loss three fights later, when disqualified against Magarito Lozano. He won his next eight bouts, seven by knockout, including wins over notables Juan Díaz, Rocky Mijares and Willie Jespen.