Tuto Zabala’s first champion was Dominican Republic native Carlos Teo Cruz, a lightweight with a good chin and a light punch. The next Zabala champion was Vicente Paul Rondon, a Venezuelan fighter who was WBA Light-heavyweight Champion from 1971-1972. From the early sixties to the late seventies, Zabala promoted several hundred fights in San Juan, booked Puerto Rican fighters to fight abroad, and was involved in a dozen world title fights. Besides Florentino Fernandez, Teo Cruz and Vicente Rondon, Tuto Zabala promoted Miguel "Happy" Lora, Alfredo Escalera, Robinson Pitalua, Angel Espada, Jose Gonzalez, Pedro Miranda, Sammy Serrano and many other main event fighters and prelim club fighters.