This Saturday night, Anthony Joshua takes on Charles Martin for his IBF heavyweight title.
Joshua, who won Olympic super-heavyweight gold at London in 2012, has knocked out all 15 of his opponents in the pro ranks. Now he faces the American, Charles Martin for his title.
Martin is also unbeaten, with 23 wins and a draw from his 24 bouts.
The 29-year-old Martin, won the title back in January, after his opponent, Vyacheslav Glazkov, was forced out of their fight in the third round after suffering a cruciate ligament injury.
From David Haye to Barry McGuigan, the great and good from the boxing world have had their say - and it is not that they are not all backing the fearsome challenger too. Scroll through the gallery below...
But who do you think will win? Take part in our poll below...
WHO IS ON THE UNDERCARD?
IBF featherweight title
Lee Selby (c) vs Eric Hunter
vacant IBF Inter-Continental middleweight title
Matthew Macklin vs Brian Rose
WBA World bantamweight title
Jamie McDonnell (c) vs Fernando Vargas
vacant WBA International super middleweight title
George Groves vs David Brophy
Ohara Davies vs Andy Keates
Ted Cheeseman vs Mario Petrov
Plus Conor Benn making his professional debut
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