Roosevelt “The Predator” Roberts Roosevelt “The Predator” Roberts, submits Darrell Horcher on The Ultimate Fighter 28 Finale: Dos Anjos vs. Usman in the first round  (04:49) via standing Guillotine Choke. (See finish below) Roosevelt is making waves with his unique style of the guillotine choke, making it his first submission of choice and he is “looking for it”