WWE legend questions Conor McGregor's longevity as feud escalates: 'We'll see if he even lives to 57'

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Conor McGregor teased a possible run in WWE as reports emerged about the company’s sale to Endeavor and the merger with UFC under one publicly traded company.

In the midst of that, McGregor and legendary manager and promoter Paul Heyman got into a little Twitter spat that seemed to end with the Irishman warning Heyman.

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Roman Reigns looks on during the WWE and Universal Championship match during the WWE Royal Rumble event at the Alamodome on Jan. 28, 2023 in San Antonio. (Alex Bierens de Haan/Getty Images)

However, the "Wiseman" to Undisputed WWE Universal Champion Roman Reigns’ "Tribal Chief" clapped back at McGregor in an interview with BT Sport and offered a warning of his own to the former UFC champion.

"I'm not a grandfather, but I appreciate the fact that I'm old enough to be, number one, and I'm still thriving on top," Heyman said. "I would like to see if Conor McGregor at 57 is still thriving at the very top of his entire industry. We'll see if he's even relevant at 57. We'll see if he even lives to 57 with his lifestyle now, number two.

CONOR MCGREGOR TEASES WWE RUN, GETS INTO SPAT WITH PAUL HEYMAN: 'CAREFUL GRANDPA'

Conor McGregor attends qualifying ahead of the F1 Grand Prix of Monaco at Circuit de Monaco on May 28, 2022 in Monte-Carlo, Monaco. (Arnold Jerocki/FilmMagic)

"Number three, it’s not that he tweeted to me, I picked the fight with him. Let’s be honest about this. He, as a Roman Reigns wannabe, did the Paul Heyman style, you know, title on each shoulder, and, you know, gave a shout-out to himself, of course he did. You know, the ultimate self-promoter in