Mateus Mendonca was determined to finish Nate Maness with a leg submission at UFC Fight Night 229, and it resulted in him getting knocked out.
Maness (15-3 MMA, 4-2 UFC) showed off the power behind his ground-and-pound when he countered the repeated grappling attacks of Mendonca (10-2 MMA, 0-2 UFC) with vicious punches to the face until the referee stepped in at the 4:40 mark of Round 1.
Check out a replay of the finish below (via X):
