All four particpants in the main and co-feature of ‘Undefeated Champions’ were on weight today for their 30 day pre-weighin. In the main event WBO Junior featherweight champion Wilfredo Vázquez Jr. of Puerto Rico (18-0-1, 15 KOs) will defend his title against unbeaten Universum-promoted Zsolt Bedak (15-0, 5 KOs) of Hungary. The co-feature will have WBO super featherweight champion Román ‘Rocky’ Martínez (23-0-1, 14KOs) of Puerto Rico defending against Gonzalo Munguía (17-6-3, 13 KOs) of Nicaragua. The card is being titled ‘Undefeated Champions’ and will take place at the Coliseo Ruben Rodriguez in Bayamon, Puerto Rico. PR Best Boxing (Iván and Peter Rivera) in association with All Star Boxing’s Félix ‘Tutico’ Zabala will promote the event. Vázquez Jr. weighed in at 133 pounds from Puerto Rico. Bedak weighed in at 129 pounds in Germany. The maximum weight allowed was 140.3 pounds. Martínez weighed in at 137 pounds in Puerto Rico while Mungía Weighed 136.5 in Nicaragua. The maximum weight allowed was 149.5. Vázquez Jr. and Martínez worked out as well in Puerto Rico today.