Charles Oliveira v Islam Makhachev headlines UFC 280 at the Etihad Arena

The Etihad Arena in Abu Dhabi is all set for UFC 280 - Main event: Vacant lightweight championship: Charles Oliveira v Islam Makhachev - Co-main: Bantamweight championship: Aljamain Sterling v T.J. Dillashaw - Bantamweight: Petr Yan v Sean O’Malley - Lightweight: Beneil Dariush v Mateusz Gamrot - Women’s flyweight: Katlyn Chookagian v Manon Fiorot