Mayweather vs. McGregor: Floyd remains perfect with 10th-round TKO

Conor McGregor came out swinging early, but Floyd Mayweather Jr. finished strong, stopping McGregor in the 10th round for a TKO to remain perfect.

Mayweather vs. McGregor

Floyd Mayweather Jr. lands a hit against Conor McGregor during their boxing match at the at T-Mobile Arena. Mandatory Credit: Mark J. Rebilas-USA TODAY Sports

Mayweather vs. 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.

Mayweather vs. 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.

Mayweather vs. McGregor

Conor McGregor before the fight REUTERS/Steve Marcus

Mayweather vs. McGregor

Conor McGregor in action with Floyd Mayweather Jr. REUTERS/Steve Marcus

Mayweather vs. McGregor

Floyd Mayweather Jr. in action with Conor McGregor REUTERS/Steve Marcus

Mayweather vs. McGregor

Conor McGregor in action with Floyd Mayweather Jr. REUTERS/Steve Marcus

Mayweather vs. McGregor

Floyd Mayweather Jr. smiles as he sits in his corner in between rounds REUTERS/Steve Marcus

Mayweather vs. McGregor

Floyd Mayweather Jr. and Conor McGregor walk back to their corners at the end of a round REUTERS/Steve Marcus

Mayweather vs. McGregor

Conor McGregor, right, hits Floyd Mayweather Jr. in a super welterweight boxing match Saturday, Aug. 26, 2017, in Las Vegas. (AP Photo/Isaac Brekken)

Mayweather vs. McGregor

Conor McGregor enters the ring before a super welterweight boxing match against Floyd Mayweather Jr., Saturday, Aug. 26, 2017, in Las Vegas. (AP Photo/Isaac Brekken)

Mayweather vs. McGregor

Conor McGregor in action with Floyd Mayweather Jr., Saturday, Aug. 26, 2017, in Las Vegas. REUTERS/Steve Marcus

Mayweather vs. McGregor

Floyd Mayweather Jr. enters the ring before a super welterweight boxing match against Conor McGregor, Saturday, Aug. 26, 2017, in Las Vegas. (AP Photo/Isaac Brekken)

Mayweather vs. 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.

Mayweather vs. 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.

Mayweather vs. McGregor

Conor McGregor moves in against Floyd Mayweather Jr. in the first round at T-Mobile Arena. Mandatory Credit: Mark J. Rebilas-USA TODAY Sports

Mayweather vs. 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.

Mayweather vs. McGregor

Floyd Mayweather Jr. in action with Conor McGregor as referee Robert Byrd looks on REUTERS/Steve Marcus

Mayweather vs. McGregor

Conor McGregor sticks his tongue out at Floyd Mayweather Jr. in a super welterweight boxing match Saturday, Aug. 26, 2017, in Las Vegas. (AP Photo/Isaac Brekken)

Mayweather vs. McGregor

Floyd Mayweather Jr., left, embraces Conor McGregor after a super welterweight boxing match Saturday, Aug. 26, 2017, in Las Vegas. (AP Photo/Isaac Brekken)

Mayweather vs. McGregor

Floyd Mayweather Jr. hits Conor McGregor in a super welterweight boxing match Saturday, Aug. 26, 2017, in Las Vegas. (AP Photo/Isaac Brekken)

Mayweather vs. McGregor

Floyd Mayweather Jr. hits Conor McGregor in a super welterweight boxing match Saturday, Aug. 26, 2017, in Las Vegas. (AP Photo/Isaac Brekken)

Mayweather vs. McGregor

Floyd Mayweather Jr. hits Conor McGregor in a super welterweight boxing match Saturday, Aug. 26, 2017, in Las Vegas. (AP Photo/Isaac Brekken)

Mayweather vs. 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.

Mayweather vs. 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.

Mayweather vs. McGregor

Floyd Mayweather Jr., left, embraces Conor McGregor after a super welterweight boxing match Saturday, Aug. 26, 2017, in Las Vegas. (AP Photo/Isaac Brekken)

Mayweather vs. 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.