Hayder Hassan The final episode of “The Ultimate Fighter 21: ATT vs. Blackzilians” aired tonight. With that, the lineup is set for Sunday’s TUF 21 Finale in Las Vegas. In the matchup that will determine which team receives a $300,000 prize and the “TUF” trophy, American Top Team’s Hayder Hassan (6-1 MMA, 0-0 UFC) will take on Kamaru Usman (5-1 MMA, 0-0 UFC) of the Blackzilians in a welterweight matchup. Hassan was the most successful fighter on “TUF 21.” He fought three times during the competition and came out on the winning end in each appearance. Usman fought twice and was dominant in both efforts.