Final answer:
Muhammad Ali fought Joe Frazier in the Thrilla in Manila.
Step-by-step explanation:
The Thrilla in Manila was a historic boxing match that took place on October 1, 1975, in Manila, Philippines. The two fighters who fought in this legendary match were Muhammad Ali and Joe Frazier. It was the third and final fight between the two world heavyweight champions, with Ali emerging as the winner after a grueling 14-round battle.