Underground fights are far more dangerous since less protective gear is used and there usually is n't a doctor present .
Underground fights are far more dangerous , since less protective gear is used and there usually is n't a doctor present .
Underground fights are far more dangerous , since less protective gear is used and there usually is n't a doctor present .
Arreglar la gramática en la oración: Underground fights are far more dangerous since less protective gear is used and there usually is n't a doctor present . Producción: