The event did undergo one late change when Landon Quinones Stewart was forced to exit the event due to a positive COVID-19 test. As a result, Natan Levy will step in to face Shaheen Santana in a 160-pound catchweight affair. Levy tipped the scales at 159 pounds, while Santana checked in at 158.
The Contender Series takes place on Tuesday at the UFC Apex in Las Vegas and streams on UFC Fight Pass at 8 p.m. ET/5 p.m. ET. The card is headlined by a middleweight clash between Mariusz Ksiazkiewicz (184.5) and Mario Filipe de Sousa (185.5).The Winnipeg-based Ksiazkiewicz is unbeaten in eight professional appearances thus far. He last competed in November 2019, when he scored a first-round submission of Guilherme Miranda. All but one of his victories have come inside the distance.
Sousa has lost just once in 12 career bouts. The 24-year-ol…