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Money-spinning retired boxer Floyd Mayweather is offering his Instagram followers the opportunity to win $10,000 on Monday, December 19.
 
The undefeated fighter (49-0) in his latest attempt to troll his rival UFC lightweight champion Conor McGregor, has asked his followers to provide a caption to a video of a Mix Martial Arts (MMA) bout where the Irish-man taps-out after being submitted by Nate Diaz.

The best caption will be awarded the cash on Monday.

The video captures the final moments of McGregor's bout with Nate Diaz from UFC 196 where he was submitted in the second round by being choked.

 
CAPTION THIS! Best caption wins $10,000.00. The winner will be announced on Monday, Dec 19. Stay tuned ! #TMT

A video posted by Floyd Mayweather (@floydmayweather) on Dec 14, 2016 at 8:51pm PST
 

The video end with Mayweather describing the 28-year-old as "the notorious quitter" while touting his 49-0 unbeaten record.

The Irishman has challenged the retired boxer to a $100 million boxing fight but Mayweather has shot down his offer, suggesting that even being mentioned in the same breath as McGregor was "disrespectful" to his career accomplishments.

Mayweather, 39, is an American former professional boxer who competed from 1996 to 2015, and currently works as a boxing promoter.

He is considered to be one of the greatest boxers of all time, undefeated as a professional, and a five-division world champion. Mayweather won fifteen world titles and the lineal championship in four different weight classes (twice at welterweight).