UFC 244: Masvidal vs. Diaz was a mixed martial arts pay-per-view event produced by the Ultimate Fighting Championship that took place on November 2, 2019 at Madison Square Garden in New York City, New York, United States. A welterweight bout between Jorge Masvidal and former UFC Lightweight Championship challenger and The Ultimate Fighter 5 lightweight winner Nate Diaz headlined the event. After his UFC 241 win against former lightweight champion Anthony Pettis, Diaz proclaimed himself the "baddest motherfucker in the game" and issued a challenge to Masvidal. When the fight was scheduled, Dana White announced that a celebratory "baddest motherfucker" belt, embossed "BMF," would be awarded to the winner.