Fast forward to today, and McGregor is worth a reported $100 million (though says he theoretically could be closer to $200 million). Heres how McGregor earned a heavyweight bank account in no time flat.

McGregor started out making just $100 a match.

In 2016, John Kavanaugh, McGregors trainer, explained to the Independent that his clients earnings for his first five years in professional fighting totaled about $1,600 a year.

There was no money and I was running out of ideas, he said. The UFC was a closed shop. There were no opportunities and he had one foot out the door.

However, in 2013, the duo got lucky and the UFC signed him on for a contract. By 2015, McGregor was the UFC featherweight champion and named Fighter of the Year.

Floyd Mayweather Jr. v Conor McGregor - Weigh-in
Floyd Mayweather Jr. v Conor McGregor - Weigh-in

McGregor was earning millions within a few years.

In 2014, McGregor returned to UFC winning enough matches to be signed to a multi-fight deal. According to , on July 11, 2015, McGregor earned $5 million when he defeated Chad Mendes at UFC 189. He then made another $12 million in just 13-seconds during his fight against Jose Aldo.

And McGregor didnt slow down there. In 2016, he made an estimated $15 million for his fight against Nate Diaz at UFC 196 and made an additional $25 million for their rematch just one year later. But, he really raked in the dough in 2017. Thats when, according to , he made between $85 million to $100 million for a match against Floyd Mayweather.

Fighting isnt the only way McGregor makes his millions.

Beyond fighting, McGregor also makes a healthy income thanks to a number of endorsements. Those endorsements include a multi-million-dollar deal with both Monster Energy and Reebok . McGregor also has deals Beats by Dre and Anheuser-Busch, Money reported.

In 2018, McGregor also launched his own clothing line, August McGregor fashion , He even launched is own whiskey, , meaning hell likely make a few hundred more million before he actually retires for good.