Following months of trash talk - mixed martial arts champion Conor McGregor praised Floyd Mayweather Junior after losing their boxing contest in Las Vegas.
The Irishman made a strong start in his debut pro-boxing event against his experienced opponent - but was stopped in the 10th round.
He says Mayweather's knowledge of the sport proved too much for him in the end.
Floyd Mayweather Junior stretched his unbeaten boxing record to 50 professional fights beating Rocky Marciano's 49-0 record.
Mayweather says he'll now retire from the sport.
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