Double belt, double champion (or simultaneous champion in cases where the belts are won without abandoning or losing the other) is an achievement made by MMA fighters in several categories.
Double belt, double champion (or simultaneous champion in cases where the belts are won without abandoning or losing the other) is an achievement made by MMA fighters in several categories. (en)
Double belt, double champion (or simultaneous champion in cases where the belts are won without abandoning or losing the other) is an achievement made by MMA fighters in several categories. (en)