Coming off his dominant victory against Conor McGregor at UFC 229, undefeated lightweight champion Khabib Nurmagomedov is now taking a page out of the Irish superstar's book by issuing a challenge to undefeated boxing legend, Floyd Mayweather.

Mayweather's company CEO, Leonard Ellerbe, recently ran into Khabib in Russia during the World Boxing Super Series and shared a video of the 27-0 UFC star asking Mayweather for a fight.

"Let's go Floyd," said Khabib with a smile. "We have to fight now: 50-0 versus 27-0. We are two guys who never lose.

"[But] in the jungle there is only one king. Of course, I am the king because he cannot drop McGregor but I drop him easily. Let's go."

Mayweather's response? Get the checkbook.

The 41-year old boxer posted a screenshot of Khabib's challenge on IG along with the following caption, "CBS, Showtime and MGM Grand get the checkbook out! Go to @leonardellerbe ‘s page to view Khabib Nurmagomedov challenging me. LET’S MAKE LAS VEGAS GREAT AGAIN!"

Floyd "retired" after his boxing match against Conor McGregor last August, but he has been teasing another fight against Manny Pacquiao in the near future. Mayweather reportedly made over $300 million for his bout against McGregor alone.

Check out video footage of Khabib's comments, as well as Mayweather's rebuttal, in the IG posts embedded below.