25 WLADIMIR KLITSCHKO v Anthony Joshua (2017), round six
JOSHUA, though not regarded as invincible, had never lost nor been floored as a professional heading into his showdown with Klitschko at Wembley Stadium. Joshua dropped Klitschko in round five, celebrated like the fight was won and, shortly thereafter, began to unravel. The collective gasp at ringside when Klitschko decked the darling of the British boxing press will take some forgetting.
24 TONY GALENTO v Joe Louis (1939), round three
GALENTO was a barrel of a man with a solid dig but had no real business being in the ring with the world heavyweight champion. He gave it everything, wobbling Louis early before being dropped in the second. He returned the favour in the third round to carve his name in history.
23 JOE FRAZIER v Muhammad Ali (1971), round 15
FRAZIER was in charge of the Fight of the Century going into the last