8. Jack Dempsey Vs. Gene Tunney: Soldier Field, Chicago, September 22, 1927
One word: money. Despite taking place all the way back in 1927, this rematch between World Heavyweight Champion Tunney and former champ Dempsey drew a gate of $2,658,660, with over 103,000 in attendance. It was also the first $1 million gate and the first $2 million gate in entertainment history. Despite being hailed as one of the leading sports men of the 20th century, Jack Dempsey had met his match when Gene "The Fighting Marine" Tunney beat him for the belt a year earlier in a unanimous decision. This fight was also so momentous because it took place under new rules regarding knockdowns: The fallen fighter would have 10 seconds to rise to his feet. It became known as the fight of 'the long count' as Tunney was given 13 seconds to regain his feet in the seventh round. He went on to retain his title.
