UFC lightweight champion Conor McGregor proved to the world he was more than game for Floyd Mayweather Saturday night.

In the end, though, Mayweather showed why some believe he is the greatest boxer ever.

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Mayweather withstood an early onslaught by McGregor, turning it on in the ninth and finish the MMA fighter in the 10th for his 50th career win in 50 pro fights. The bout took place from the T-Mobile Arena in Las Vegas.

The time of the stoppage was 1:05 of the 10th round.

Mayweather retired from the sport two years ago only to be talked back into the “Money Fight” with McGregor. It was reported that he would make at least $100 million on the night, with McGregor taking in $30 million.

“He’s a lot better than I thought he was,” Mayweather said. “He used a lot of different angles, but I was the better man.

“Conor McGregor, you’re a hell of a champion.”

McGregor came out fast, as expected, against the former world boxing champion. Most live scoring had “Notorious” ahead early, but as he does, “Money” worked his way back into the fight with his defense and counter-striking.

Mayweather dominated the ninth round, going to the body and face with McGregor gasping for air. McGregor’s hands were at his side almost the entire round, an obvious sign of fatigue from battle.

This was the professional boxing debut for McGregor, who won the UFC lightweight title last year when he stopped Eddie Alvarez. The Irish fighter became the first person in UFC history to hold multiple belts at the same time, as he was also the featherweight champion when he defeated Alvarez.

“He’s not that fast and he’s not that powerful, but he’s very composed,” McGregor said. “I had a bit of fun over on this side.”

In earlier action, Gervonta Davis won a controversial fight with Francis Fonseca when the bout was stopped in the eighth round with Davis being declared the winner.

It appeared as if Davis struck Fonseca in the back of the year, but he still earned the knockout in 39 seconds. Davis, though, failed to claim the vacant IBF junior lightweight belt after missing weight.

Badou Jack finished Nathan Cleverly in the fifth round and Andrew Tabiti claimed a decision over Steve Cunningham. Jack left with the WBA light heavyweight title, while Tabiti won the USBA cruiserweight belt.