Internal Revenue Service (IRS)

Mayweather petitions the U.S. Tax Court for an installment agreement to pay taxes from 2015, citing his fight with Conor McGregor as a “significant liquidity event” from which he intends to pay the remaining balance. Mayweather argues he’s too illiquid to immediately pay the taxes while the IRS has said that some of his assets could be converted into cash or that Mayweather could take out a loan to pay what he owes. Mayweather reportedly earned $220-230 million for defeating Manny Pacquiao in 2015. After he fights McGregor, Mayweather will have to pay taxes on a possible $400 million in earnings as well as cover his past IRS debts.