Floyd Mayweather, TI

Rapper T.I. and professional boxer Floyd Mayweather Jr. got into a fistfight in a restaurant on the Las Vegas Strip over the weekend, TMZ reports.

Mayweather was eating at a Fatburger on the Strip in the wee hours of Sunday morning when T.I. walked up to him and they exchanged words. A brawl broke out after T.I. swung at Mayweather, and a restaurant employee was slashed but refused treatment.

Photos: See more celebrity feuds

T.I. left before police arrived. According to TMZ, the rapper was upset that his wife Tiny posted photos on Instagram of herself hanging out with Mayweather.

On Sunday, Mayweather denied reports that he's romantically interested in Tiny and said he was shocked that T.I. attacked him.

Watch clips from T.I. and Tiny: The Family Hustle here.