10/07/2014 11:15 am ET Updated Oct 07, 2014

Floyd Mayweather Jr. Instagrams Receipt For $1.4 Million Gambling Win

Boxing champ Floyd Mayweather Jr. often makes news gambling -- real or imagined.

He was rumored to have wagered $10.4 million on the Denver Broncos in the last Super Bowl -- a losing proposition -- and was also said to have successfully bet around $6 million on an NBA playoff game in 2013.

But sometimes he provides proof. An apparent receipt posted to his Instagram (see below) Monday shows he bet $720,000 Sept. 21 on the Colts over the Jaguars for a $1.4 million payout. The Colts routed the Jacksonville Jaguars that day, 44-17, which easily covered the point spread and made a winner of Mayweather.

Wird geladen

Before I went on a 2-week vacation, I bet $720,000.00 and I walked away with $1,405,714.28. When you’re betting on Andrew, it’s never Luck. CG Technology takes all bets.

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It wasn't the first time Mayweather documented his gambling exploits. He tweeted evidence of more modest wins after betting correctly on the 2014 Sugar Bowl and Rose Bowl.

H/T For The Win