Popular UFC commentator Joe Rogan has revealed he would break his one rule when working for the organisation if his dream fight is made.

Rogan has been working with the UFC as a commentator and interviewer for over 25 years, establishing himself as one of the biggest names in the organisation.

Despite this, he has recently been reducing the time he spends working for the UFC so that he can focus on other business ventures such as his podcast, the Joe Rogan Experience.

But, he has now revealed that there is one fight that would make him break the strict rule set out in his UFC contract.

The 57-year-old has said that a fight between middleweight champion Dricus du Plessis and light heavyweight champion Alex Pereira would be the only bout that would make him break his long-standing rule.

Speaking on his YouTube channel he said: "If Dricus goes up to 205 and fights Alex, oh my goodness.

“I’ll fly to the moon to commentate that fight. I want to see that fight. That’s crazy.”

But if the fight takes place on the moon or anywhere else outside of the USA, Rogan would be breaking one of the only rules set in his UFC contract.

"I had a conversation with Dana [White], we had a bunch of conversations. What I decided to do was no more international travel. No more flying across the planet," he explained in a 2016 podcast with UFC featherweight Jeremy Stephens.

"I signed for at least one more year. I was on the fence man, I just do too much shit.

"I’m too f**king busy. I don’t know if I’m doing myself or all the other things I do a disservice."

UFC Middleweight Champion Dricus du Plessis defeated former champion Israel Adesanya in Perth on August 17. (Image: Getty)

If a fight between Du Plessis and Pereira were to happen, it would likely take place in South Africa, the home country of the middleweight champion.

And it's possible that the fight could happen, as both men have shown interest after Pereira, who held the middleweight championship belt in, announced he wanted to return to the division to face Du Plessis.

Responding to the callout, the South African champ said that he was interested in the fight, but only if the two were to meet in the light heavyweight division, meaning they would be contending for Pereria's belt rather than Du Plessis'.