Hagler was the undisputed middleweight champion from 1980 to 1987, an incredible run that saw him successfully defend his title 12 times. His 52 knockouts in 67 career fights (78%) remain a high mark for middleweight champions.
Hagler was considered one of the four kings of boxing during the ’80s. Hagler’s matchups with Sugar Ray Leonard and Thomas hitman Hearns arguably will go down as the best set of bouts in the middleweight division.
The Hagler-Hearns fight is recognized as one of the most exciting in boxing history. In particular, the first round of the fight is widely regarded as being one of the most thrilling rounds ever: