#4 Conor McGregor
A name on such a list which is sure to bring its share of detractors, there is a reason that Conor McGregor is an all-time great fighter in the UFC.
Often known only for his foul-mouthed approach at psyching out his opponents before actual fights, Conor McGregor was handed a lesson by another person who deserves an honorary mention on this list, Khabib Nurmagomedov.
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So why include him on this list?
The fact is that Conor McGregor has won his share of important UFC fights in the most incredible manner possible. In fact, such has been the impact of his run in the fight promotion, McGregor might be single-handedly responsible for shooting UFC to the stars in term of popularity.
McGregor will always have his share of detractors, but at this point, it is safe to say the McGregor knows how to draw in a crowd. Love him or hate him, if Conor McGregor is fighting, that is something you will be watching if you are a fan of the UFC.
Also Read: 4 Opponents for Conor McGregor when he returns to the UFC