But, Poirier revealed Sunday night his organization NEVER got a cent from Conor's team -- claiming McGregor's team went MIA on Poirier's charity "after the fight" in January.
Poirier later explained, "We thanked him because his team reached out fight week to initiate the process but ghosted us the past 2 months after the fight."
"My foundation has reached out 3 times since with no reply. We've moved past it! We will be announcing our next goal soon! It's a big one."
Conor sheepishly replied on Twitter with allegations of his own -- saying, "A donation, not a debt.