Mayweather claims he can't pay 2015 taxes until after McGregor fight

Floyd Mayweather has earned an estimated $700 million from his boxing career, but he says he can't pay 2015 federal taxes he still owes until he gets his check for boxing Conor McGregor.

Mayweather filed a tax court petition July 5 asking the IRS to grant him a temporary reprieve, according to ESPN's Darren Rovell.

The petition notes that Mayweather has "substantial" assets but they are "restricted and primarily illiquid," adding that he has a "significant liquidity event scheduled in about 60 days."

2015 is the year Mayweather earned an estimated $220 million for fighting Manny Pacquiao.

Mayweather is expected to earn about $100 million for fighting UFC champion McGregor on Aug. 26.

It is not known how much Mayweather owes the IRS.

Mayweather claims he can't pay 2015 taxes until after McGregor fight
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