Challenge of Champions is a single-elimination boxing and mixed martial arts tournament taking place in Mexico, the boxing world capital. All fights will have six rounds of two minutes. On the first stage, there will be eight matches of Mexican boxers agaist foreign fighters. The selection of the match-ups will be done ramdomly according to the rules established by the World Boxing Council (WBC). The winners of the semi-finals will take on each other to decide who wins the championship. THE WINNER WILL GET A PRIZE OF U$S 100.000!