Mark Hunt has revealed his return to the UFC came after he persuaded the powerful organisation to agree to his demand to include a special clause in the fight agreement contract that will guarantee him the pay packet of any rival that is caught doping.
Hunt is locked in to fight Alistair Overeem at UFC 209 in Las Vegas.
The 'Super Samoan' with links to New Zealand and Australia has refused to budge in his standoff with the UFC since his controversial loss to American Brock Lesnar at UFC 200 in June, but is set to make a monster return against Overeem, a British-born Dutchman, on March 4.
Hunt has not fought since his loss to Lesnar, which was overturned to a no-contest result after it emerged Lesnar had failed both out of competition and in competition drug tests.
Lesnar tested positive to hydroxy-clomiphen, a banned oestrogen blocker.
Hunt initially demanded half of Lesnar's reported $2.8 million fight purse and even hired a lawyer to discuss his options for grabbing some of Lesnar's pay. But his dispute with the UFC appears to be resolved.
Hunt said he and Overeem have a verbal agreement with the UFC, but insists the fight could be scrapped if the UFC fails to meet his demands.
"My clause will protect me in this instance and take the financial gain of the opponent of caught cheating," Hunt told markhunt.tv.
"That deterrent will protect me and other fighters. I'm pushing for this clause, I want to fight and I am ready. If the fight doesn't go ahead it's not my doing.
"I will not fight without this clause. I've already fought three dopers in a row and I'm not going to fight again without security. All I want is a fair go and an even playing field."
The fight has the potential to catapult both Hunt and Overeem to a title fight against heavyweight division champion American Stipe Miocic as a top ranked contender.
However, Hunt and Overeem would have to impress in the fight to jump the queue waiting for a chance to fight Miocic with Brazil's Fabricio Werdum (No. 1 contender) and American Mexican Cain Velasquez (No. 2 contender) fighting at UFC 207 on New Year's Eve.
Overeem has not fought since his title fight knockout at the hands of Miocic in September.
It will be the second time Hunt and Overeem have fought in an MMA event, but the first in the UFC.
They last crossed paths at the Dream 5 event in 2008 where Overeem submitted Hunt in the first round.