Why is there such a big difference, is it because Ngannou is not such an important fighter in the boxing world? Well, it seems that his decision to break his contract with the UFC was the right decision and now he will earn a lot of money for these two fights.
But it would be cool if Ngannou could beat Joshua. Ngannou is considered the underdog in this fight, but it seems to me that he is a very strong fighter and has enough talent (he showed this in the fight with Fury) to defeat Joshua.
Ngannou will not get that kind of figure if he is still in the UFC, that's more than all the combined fights of all the fights of Ngannou in UFC, he is setting a trend for MMA fighters to venture to boxing where there is a lot of money to be made, Ngannou use the UFC to start his career but its on boxing where he will establish his legacy and will make a lot of money.
He has a good chance against Joshua if only he can take good trainers, Joshua has a better skill than Joshua but his power and how he takes big punches are questionable, if Ngannou can land punches Joshua will be in trouble, if Fury had hard time with Ngannou, Joshua will have to the fight seriously, it's a big humiliation losing a fight to a guy who only had two fights.
Yes and that's why it's very easy for him to and fight Fury, maybe it was also a way to rub it in to Dana and says that he is making more money combined when he was still under the organization of UFC.
So it's a win-win for Francis, in just 2 fights alone more than $20 million already and then he has a good chance to win more if he can win and knockout Joshua here and most likely face the winner of Usyk vs Fury for the biggest fight in boxing. They too has the Saudi's rich oil money willing to disposed hundreds of millions of dollars just to witnessed this great fight.