A son of Guam, Melvin John Santos, won gold at the 2023 Portland International Open International Brazilian Jiu-Jitsu Federation Championship. Congratulations, Mr. Santos! He is the son of Roxanne and Melvin Santos of Hagatna. 884 Share FAVORITES By Troy Torres Posted on: Tuesday, 07/25/2023 9:46 AM Guam 0 comments 884 jiu jitsu Melvin John Santos sports