Conversation so far:
how many time did ali and frazier fight
Ali and Frazier fought three fights from 1971 to 1975.
who won the first fight between Ali and Frazier?
Frazier won in 15 rounds via unanimous decision.
who won the second fight between Ali and Frazier?
In the second fight, Ali was a slight favorite to win, and did by a unanimous decision albeit a controversial one, in which Ali clinched 133 times.
who won the third fight between Ali and Frazier?
In the third fight, Ali won by technical knockout after Frazier's chief second, Eddie Futch, conceded the fight prior to the 15th round.

Question: why was the bout named that?
Self-contained rewrite: why was the third fight between Ali and Frazier named the Thrilla in Manila“?