$100 million fighter Conor McGregor has a plan to crack the number one spot on the Forbes rich list -- and it involves toppling Net-A-Porter

Conor McGregor could earn $US100 million for his boxing-rules bout with Floyd Mayweather — but the UFC star has his sights set on an even richer prize.

The Irish icon is already the number one fighter in UFC and could be the number one in boxing if he upsets Floyd Mayweather on August 26.

However, McGregor is determined to be triumph in another arena — the Forbes rich list of high-paid athletes.

Speaking after the Los Angeles leg of the Mayweather v McGregor world press tour, the 28-year-old laid out his financial master plan.

1) Fighting for pay

Even if McGregor struggles to land a glove on Mayweather when they clash in Las Vegas, he will still land a career-high payday.

“If the pay-per-view clears the Floyd Mayweather and Manny Pacquiao numbers [to become the biggest-selling fight of all time] then I’m making $US100 million,” McGregor told journalists on Tuesday.

Mayweather is widely tipped to win next month, but if McGregor gives a good account of himself he could land another lucrative boxing-rules showdown.

In May, Top Rank promoter Bob Arum said he would like to put his client, Manny Pacquiao, in the ring with McGregor.

A host of options in mixed martial arts also await McGregor. The power-punching cage fighter is set to return to the UFC octagon in December and could face Khabib Nurmagomedov, Tyron Woodley, or Nate Diaz.

“I thought the Forbes list ran from January to December but it’s July to July. I wanted the number one spot this year but I said I’d fight on December 30 so I’m still going to fight. I’m an active mother f*****.”

2) Tailor-made for the fashion game

McGregor, wearing an x-rated three-piece suit, also announced a clothing line he is launching in collaboration with renowned California-based tailor David Heil, founder of David August. McGregor hopes his brand ends up toppling luxury designer fashion label Net-A-Porter.

“My suit says ‘f*** off’ on the pinstripe — that’s a cracker,” McGregor said. “My suit tailor David August came up with a line of suits; August McGregor.

“[It’s] not just suits, [it will be] clothes right down. Jeans, pants, the whole lot. They will be in retail stores and we’ll build an online shopping site to rival Net-A-Porter, who makes $US66 million profit a year.

“I love fashion and I get to design clothes. It’s like fighting, it’s all about the small details.”

Here’s the outfit up close:

3) So sociable

McGregor is also a sponsor’s dream.

Social media firm Hookit recently told Business Insider that, while McGregor has fewer social media followers than Mayweather, he wins the battle for engagement. This means his social media accounts could be worth “tens of millions of dollars” to sponsors.

The Irishman is free to strike deals beyond his usual UFC contract for the Mayweather fight and could therefore substantially increase his earnings.

Can McGregor realistically top the Forbes rich list?

McGregor is currently ranked 24 on the Forbes list of highest-paid athletes. This is a notable improvement on his 2016 rank of 84 but he would still need a 173% pay increase to topple the current number one Cristiano Ronaldo.

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