LOS ANGELES, United States (AFP) — Floyd Mayweather has asked United States authorities for more time to pay his 2015 tax bill, the year of his money-spinning mega-fight with Manny Pacquiao, filings showed Monday. Mayweather, who is coming out of retirement to fight UFC star Conor McGregor next month, has requested he be allowed to settle his 2015 taxes after he is paid for his August 26 bout. The McGregor fight is expected to net […]