Jose Correa Arena The Comissao Atletica Brasileira de MMA (CABMMA) announced today that all its UFC Fight Night 58 drug tests came back clean. MMAjunkie today received a prepared release from the UFC-backed commission stating that all fighters were tested for performance-enhancers and drugs of abuse during this past month’s event. Additionally, four randomly chosen fighters were tested for erythropoietin (EPO). All tests were negative, though the athletes weren’t identified