1. Khabib Nurmagomedov
Khabib is one of the greatest lightweight champion in UFC history holding the championship for 1077 days and retiring from the sport with a perfect record of 29 wins and zero losses.
2. BJ Penn
BJ Penn is a former UFC Lightweight champion and UFC Welterweight champion. He is the second fighter in UFC to win titles in two different weight classes. He also holds the joint record for most title defenses for the light belt.
3. Benson Henderson
Apart from holding the joint record for most UFC Lightweight championship defenses, Benson Henderson has also won a medal in the world Jiu-jitsu championship. He is currently ranked 2 on Bellator Lightweight Rankings.
Frankie Edgar has competed in multiple divisions. But, his run as the lightweight champion was the most successful period making him win multiple awards. He also holds the record for the most fight-of-the-night bonuses in UFC history.
4. Frankie Edgar
'The Notorious One' is undoubtedly the biggest star MMA has ever produced. He is the one that brought MMA into the mainstream, and McGregor's performance against Eddie Alvarez for the lightweight title still remains one of the best ones we've seen inside the octagon.
5. Conor McGregor