Floyd Mayweather Jr. reached into a backpack and held out a $100 million check for the crowd of 11,000 fight fans to see.
'Money' Mayweather is heading into the ring to pay off his tax bill.
Floyd Mayweather is asking to hold off on paying his IRS bill until after his Aug. 26 bout against Conor McGregor
Floyd Mayweather and Conor McGregor have agreed to a crossover fight in the ring on August 26 in Las Vegas.
Britain's unbeaten IBF title holder earned a sensational victory by knocking down the 41-year-old former champion twice in the 11th and penultimate round.
WBO world welterweight champion Manny Pacquiao and Amir Khan say they have agreed to terms for a fight.
The 40-year-old retired boxing champion says it's now up to Conor McGregor and his financial demands.
Dana White, UFC President, discusses UFC's legalization in New York, its debut event to take place at Madison Square Garden on November 12 and his support for Donald Trump.
CNBC's Kate Rogers speaks to Lynn Le, founder of Society Nine, a company that designs boxing and MMA gloves for women.
Joshua Buatsi, light heavyweight boxer for Team GB, talks about the challenges facing Britain's boxing team ahead of the 2016 Rio Olympics.
Boxing is returning to the Dallas Cowboys' AT&T Stadium with a championship bout, according to Cowboys owner Jerry Jones.
The three-time heavyweight champion and his family planned the funeral for 10 years to ensure it would honor his Muslim faith.
Former President Bill Clinton will be among those giving eulogies on Friday for boxing champion Muhammad Ali who died a week ago at age 74.
The Portuguese soccer player knocks Floyd Mayweather out of the top spot after earning $88-million over the past year.
The three-time heavyweight champion died late Friday after a long battle with Parkinson's disease.
The "Worldwide Exchange" crew discusses the morning's top attention-grabbing headlines, including an article written by Bob Greene in the Wall Street Journal titled, "Muhammad Ali and the Pinnacle of Confidence."
For an athlete widely regarded as "The Greatest," the ultimate irony is that we will never know just how great Muhammad Ali might have been.
Hero or draft-dodging villain? Race-conscious firebrand, or post-racial icon? The Web debated Muhammad Ali's legacy.
Muhammad Ali, the silver-tongued boxer and civil rights champion, is dead, NBC News reports.
Speculation is reaching fever pitch that boxer Floyd Mayweather will end his retirement to fight MMA fighter Conor McGregor.