#2 Brock Lesnar
One fight which has been all the talk of the town of late has been Brock Lesnar and Daniel Cormier.
The former WWE Universal Champion and UFC Heavyweight Champion made his way into the Octagon following Daniel Cormier's win against Stipe Miocic. Cormier had called Lesnar out, and Lesnar reacted in a big way, pushing Cormier across the ring.
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The two are supposed to have a fight in February, but till now that is nothing but a rumour. Lesnar is set to be cleared to fight in the UFC by January, and after he is, he could definitely fight Cormier, but he could also fight in a competition that had been rumoured for a while.
A fight between Jon Jones and Lesnar has been in the making for a while now, with both fighters interested in one another. With Jones set to be cleared after his 15-month suspension, which ends in a small while, Brock could battle Jones instead of Cormier in both their comeback fights.
Given the fact that both are coming back to the promotion after a suspension, it would be ironic to say the least.