The 28-year-old started strongly in his fight at Madison Square Garden in New York City, putting his opponent on the canvas three times in the first round.
The Irishman revealed after beating Eddie Alvarez to claim the lightweight belt that he will next year welcome a baby with girlfriend Dee Devlin.
"I know I'm the highest-paid already, but when I'm looking at what they're taking in..."
The UFC dual-champion told reporters after his win at UFC 205 that he will become a father next year.
And while that, in McGregor's words, has him "crapping me jocks", one thing he does know is the UFC needs to take care of him and his now-growing family.
"I've got both belts, family on the way". "It looked like was talking a little noise in the back, so we'll see what happens".
And following his dominating win, McGregor shared the awesome news.
McGregor twice dropped Alvarez with straight left hands in the opening round, then put him away with a four-punch combination in the second before referee John McCarthy stepped in to wave it off.
"I want to thank the Las Vegas Culinary Union for spending their members' dollars making this the biggest night in UFC history", said UFC president Dana White at the post-fight press conference at Madison Square Garden. There's people have shares in the company, celebrities - Conan O'Brien owns the UFC nowadays. I want the ownership now. That's the gospel, that's proof of what I bring.
"If you don't, I will rip your head off". "Now I've got a kid on the way".
Conor McGregor the business man wants him some equity. "I need to be set for life".
McGregor had helped set a new gate record at one of the world's most iconic sporting theatres, with Saturday's spectacular raking in nearly $20m (€18.5m) in ticket sales alone. You want me to stick around, you want me to keep doing what I'm doing, lets talk.