Real or not: Usman is facing his most difficult test in Burns at UFC 258

Burns has won six straight and should have UFC welterweight champ Usman well-scouted, as the two are former training partners.

source https://www.espn.com/mma/story/_/id/30652823/real-not-kamaru-usman-facing-most-difficult-test-gilbert-burns-ufc-258