UFC on ESPN 63: Covington vs. Buckley

Kamarudeen Usman (born May 11, 1987) is a Nigerian-American professional mixed martial artist, former freestyle wrestler, and graduated folkstyle wrestler. He currently competes in the Welterweight division of the Ultimate Fighting Championship (UFC), where he is a former UFC Welterweight Champion. Usman is also The Ultimate Fighter 21 tournament winner. He is considered one of the greatest welterweights of all time. He holds the records for longest winning streak in the UFC welterweight division at 15 and takedown defense percentage (97.3%). As of September 5, 2026, he is #12 in the Meta UFC welterweight rankings. As a freestyle wrestler, Usman primarily competed at 84 kilograms (185 lb), and was a 2010 U.S. University World Team Member. Collegiately, he competed at 174 pounds (79 kg), and was the 2010 NCAA Division II national champion, a three–time NCAA Division II All-American, and a NAIA national qualifier.