Floyd Mayweather Jr. is living up to his nickname.

The retired boxer known as “Money” posted a photo of a handwritten check for $100 million to Instagram on Tuesday morning. “This is just one of my many checks, a cool $100,000,000.00 that I still have every dime of.”

https://www.instagram.com/p/BNYtZR0g0-f/?taken-by=floydmayweather&hl=en

The check, from Mayweather’s promotion company to the boxer himself, is dated May 2, 2015. That’s the date he defeated another boxing legend, Manny Pacquiao.

Mayweather is said to have made more than $220 million from that bout, which generated a record 4.6 million pay-per-view buys and more than $600 million in revenue. Both men were guaranteed a $100-million purse going into the fight.

After defeating Andre Berto in September 2015, Mayweather retired with a 49-0 record. And he has insisted he’s going to stay that way.

Apparently he doesn’t need any more paychecks.

“Y'all still have to work however, I'm happily retired,” he wrote on the Instagram post. “At the end of the day, it's them Benjamin Franklins that matter to me, so the jokes on you. I've made smart investments, sorry for those who thought that I couldn't read, write, or count. Y'all call them watches, I call them time pieces. Y'all call them boats, I call them yachts. Y'all call them houses, I call them mansions. Y'all charter jets and we own jets.”

charles.schilken@latimes.com

Twitter: @chewkiii