Khabib Nurmagomedov retired undefeated with a professional record of 29 wins and no losses. He won the UFC lightweight title in 2018 and defended it against Conor McGregor, Dustin Poirier and Justin Gaethje.
His final fight was a submission win over Gaethje at UFC 254 in October 2020. The UFC confirmed his retirement in March 2021.