Conor McGregor walks to the ring prior to his super welterweight boxing match against Floyd Mayweather Jr. on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Conor McGregor stands in his corner during his super welterweight boxing match against Floyd Mayweather Jr. on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. and Conor McGregor tie up during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. and Conor McGregor trade punches during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Floyd Mayweather Jr. walks to his corner after a round in his super welterweight boxing match against Conor McGregor on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor leans on Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor leans on Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. and Conor McGregor tie up during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
LAS VEGAS, NV - AUGUST 26: (R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
LAS VEGAS, NV - AUGUST 26: (L-R) Floyd Mayweather Jr. and Conor McGregor tie up during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
LAS VEGAS, NV - AUGUST 26: (R-L) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
LAS VEGAS, NV - AUGUST 26: (L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
LAS VEGAS, NV - AUGUST 26: Floyd Mayweather Jr. walks to his corner after a round in his super welterweight boxing match against Conor McGregor on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor taunts Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Undefeated boxing champion Floyd Mayweather, Jr. (R) defends against mixed martial arts star Conor McGregor (L) at the T-Mobile Arena in Las Vegas, Nevada.
Floyd Mayweather stopped martial arts star Conor McGregor in the 10th round of their money-spinning superfight. Undefeated welterweight boxing world champion Mayweather overcame a spirited start from a brave but outclassed McGregor, dominating from the fourth round onwards. The end came with a tired McGregor doubled over on the ropes as Mayweather landed two hard left hooks. (Credit: JOHN GURZINSKI/AFP/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Undefeated boxing champion Floyd Mayweather, Jr. (L) defends against mixed martial arts star Conor McGregor (R) at the T-Mobile Arena in Las Vegas, Nevada.
McGregor, a two-time world champion in MMA's Ultimate Fighting Championship who has never boxed professionally, is taking on Mayweather, who retired unbeaten in 2015 with a perfect 49-0 record. (Credit: JOHN GURZINSKI/AFP/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Undefeated boxing champion Floyd Mayweather, Jr. (R) defends against mixed martial arts star Conor McGregor (L) at the T-Mobile Arena in Las Vegas, Nevada.
Floyd Mayweather stopped martial arts star Conor McGregor in the 10th round of their money-spinning superfight. Undefeated welterweight boxing world champion Mayweather overcame a spirited start from a brave but outclassed McGregor, dominating from the fourth round onwards. The end came with a tired McGregor doubled over on the ropes as Mayweather landed two hard left hooks. (Credit: JOHN GURZINSKI/AFP/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Floyd Mayweather Jr. celebrates his TKO of Conor McGregor in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Referee Robert Byrd stops the fight in round 10 with a TKO of Conor McGregor by Floyd Mayweather Jr. in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Floyd Mayweather Jr. celebrates with the WBC Money Belt after his TKO of Conor McGregor in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Floyd Mayweather Jr. celebrates his TKO of Conor McGregor in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Floyd Mayweather Jr. celebrates his TKO of Conor McGregor in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. and Conor McGregor speak following Mayweather's 10th round TKO of McGregor in their super welterweight boxing match on Aug. 26, 2017 at T-Mobile Arena in Las Vegas. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Floyd Mayweather Jr. celebrates with WBC President Mauricio Sulaiman and the WBC Money Belt after his TKO of Conor McGregor in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Referee Robert Byrd stops the fight in round 10 with a TKO of Conor McGregor by Floyd Mayweather Jr. in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Referee Robert Byrd stops the fight in round 10 with a TKO of Conor McGregor by Floyd Mayweather Jr. in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Referee Robert Byrd raises the hand of Floyd Mayweather Jr. after his TKO of Conor McGregor in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Conor McGregor stands in the ring after being defeated by Floyd Mayweather Jr. by TKO in the 10th round of their super welterweight boxing match on Aug. 26, 2017 at T-Mobile Arena in Las Vegas. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Referee Robert Byrd stops the fight in round 10 with a TKO of Conor McGregor by Floyd Mayweather Jr. in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Referee Robert Byrd stops the fight in round 10 with a TKO of Conor McGregor by Floyd Mayweather Jr. in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. sits in his corner in between rounds of his super welterweight boxing match against Conor McGregor on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Floyd Mayweather Jr. celebrates after his TKO of Conor McGregor in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. and Conor McGregor tade punches during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor taunts Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Sean M. Haffey/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Sean M. Haffey/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Conor McGregor throws a punch at Floyd Mayweather Jr. during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Sean M. Haffey/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Sean M. Haffey/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Sean M. Haffey/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Sean M. Haffey/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Referee Robert Byrd speaks with Conor McGregor during his super welterweight boxing match against Floyd Mayweather Jr. on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Sean M. Haffey/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Sean M. Haffey/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(R-L) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Sean M. Haffey/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Sean M. Haffey/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
(L-R) Floyd Mayweather Jr. throws a punch at Conor McGregor during their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Referee Robert Byrd stops the fight in round 10 with a TKO of Conor McGregor by Floyd Mayweather Jr. in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Sean M. Haffey/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Referee Robert Byrd stops the fight in round 10 with a TKO of Conor McGregor by Floyd Mayweather Jr. in their super welterweight boxing match on August 26, 2017 at T-Mobile Arena in Las Vegas, Nevada. (Photo by Christian Petersen/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Boxer Floyd Mayweather Jr. (R) lands a right to the face of mixed martial arts star Conor McGregor during their fight at the T-Mobile Arena in Las Vegas, Nevada on August 26, 2017.
Floyd Mayweather outclassed Conor McGregor with a 10th-round stoppage on August 26 to win their money-spinning superfight and clinch his 50th straight victory. (Credit: JOHN GURZINSKI/AFP/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Boxer Floyd Mayweather Jr. (R) and mixed martial arts star Conor McGregor compete during their fight at the T-Mobile Arena in Las Vegas, Nevada on August 26, 2017.
Floyd Mayweather outclassed Conor McGregor with a 10th-round stoppage on August 26 to win their money-spinning superfight and clinch his 50th straight victory. (Credit: JOHN GURZINSKI/AFP/Getty Images)
Floyd Mayweather Jr. v Conor McGregor
Boxer Floyd Mayweather Jr. left, and mixed martial arts star Conor McGregor go at it during their fight at the T-Mobile Arena in Las Vegas on Aug. 26, 2017. (Credit: JOHN GURZINSKI/AFP/Getty Images)
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