Derrick Lewis defeated UFC's lineal champ in 'worst fight of all time' Story by Mathew Riddle • 19m. Derrick Lewis has built a reputation for being the top dog for knockouts in the UFC.

This is what happened when Lewis fought the current UFC lineal champion, Francis Ngannou, in 2018. Ngannou had just fought and lost his first title fight against Stipe Miocic .