Jamal Sawyer Wins! “Revgear Tournament of Champions 2019” Division Belt. Jamal Sawyer Wins! “Revgear Tournament of Champions 2019” Division Belt. #Revgear Champion Jamal Sawyer Jamal Sawyer advances in Revgear Tournament of Champion 2019 Des Moines, IA Posted by Caleb T on October 12, 2019 in Events Share this article: 0 About Caleb T Related Articles ‘Bellum BJJ’ Seminar Nov.3 Gorilla Combat Exhibition Fights 9/16 PROFESSOR DEREK BARLOW I received my Black Belt in August 2017 after 9 years of training under Professor Robert Drysdale /Professor Marcelo Nunes. Professor Derek Barlow is Owner and Operator of Bellum Brazilian Jiu-Jitsu 905 Selby Avenue St. Paul, Mn. 55104 Rope Climb: Karen