Top 5 greatest UFC lightweight champions of all time ranked

Khabib Nurmagomedov leads the list of greatest UFC lightweight champions. Islam Makhachev continues the Dagestani tradition of excellence with his dominant reign. Charles Oliveira transformed into a dangerous finisher after a remarkable comeback story. Justin Gaethje earned his place with a fearless fighting style and exciting battles. B.J. Penn, a Hall of Famer, pioneered the division's growth.