BOGOTA, Colombia (April 26, 2022) — Groupe Yvon Michel (GYM), Probellum and Global Jabes 77 held a joint press conference today in Bogota, Colombia, to announce World Boxing Council Bridgerweight World Champion Oscar “Kaboom” Rivas (28-1, 19 KOs) will make his first title defense August 13th at home against undefeated Polish challenger Luckaz Rozanski (14-0, 13 KOs),