Conor McGregor unleashes a fiery social media attack on Khabib Nurmagomedov, reviving their old rivalry with harsh words and bold challenges.

UFC star Conor McGregor on Friday posted -- and then deleted -- a slur-filled tweet calling out longtime rival Khabib Nurmagomedov.

Conor McGregor has unleashed a shocking rant on Khabib Nurmagomedov, dropping questionable slur words and insults.

McGregor's behavior suggests he may have been intoxicated when posting the tweets.

The controversial former UFC champion, Conor McGregor has once again ignited public outrage with inflammatory remarks targeting his long-time rival, Khabib ...

UFC fans were left stunned by Conor McGregor’s latest social media rant – which included a racial slur. The former ...

Try as he might, Conor McGregor couldn't quite outdo Bryce Mitchell on Friday. McGregor posted on social media to insult ...

Former two-division champ Conor McGregor took to social media on Friday, attacking ex-foe Khabib Nurmagomedov while hurling ...

Conor McGregor provoked strong reaction from a number of Irish sporting figures as he took to social media to blast Derry MMA ...

A newly released video on the Anatomy of a Fighter YouTube channel has turned Irish MMA on its head. Footage has gone viral ...

Khabib Nurmagomedov was far less cordial in his response to Conor McGregor’s recent tirade than Paul Hughes was.

Khabib Nurmagomedov slammed his long-time rival Conor McGregor while backing Paul Hughes after both Irish fighters exchanged ...