Bonavena fought somewhat defensively , allowing himself to be often bulled to the ropes , which let Frazier build a wide points margin .
He closed 1968 by again beating Oscar Bonavena via a 15 - round decision in a hard - fought rematch .
Oscar Bonavena fought somewhat defensively , allowing himself to be often bulled to the ropes , which let Frazier build a wide points margin .
He closed 1968 by again beating Oscar Bonavena via a 15 - round decision in a hard - fought rematch .