Leonard vs. Hearns I (1981)

The first legendary encounter between Sugar Ray Leonard and Thomas Hearns on September 16, 1981, saw Leonard rally from behind on all three judges' scorecards after 13 rounds to secure a dramatic 14th-round technical knockout. Hearns was leading with scores such as 125-121, 125-122, and 124-122 at the time of the stoppage. Leonard unleashed a flurry of punches in the 14th round, prompting the referee to stop the fight at 1:45 into the round. The bout, billed as "The Showdown," generated between $35 million and $40 million, making it one of the richest fights in boxing history at the time.