It's a week boxing fans have had marked in their diaries and it is now finally here. And that's due to a pair of bonafide world class fights within days of each other as four of the best pugilists on the planet, all whom are undefeated, dust off in separate blockbuster cards in different continents.
The welterweight megafight between Errol Spence and Terence Crawford will take place in Las Vegas in the wee hours of Sunday morning, however, there is a corker set for the Land of the Rising Sun on Tuesday.
Naoya Inoue is dubbed the Monster but he is risking it all by moving up to bantamweight in his bid to become a four-weight world champion.
But the task is tall with Stephen Fulton lying in wait as the bigger man in his natural weight class. Tokyo awaits a salivating contest which will determine who reigns supreme in one of most fearsome divisions in all of the sport.