With MMA talent spread across several promotions fans have dreamed of the sport’s stars squaring off in potential super-fights, but the UFC’s reluctance to cross-promote mean many of these matches will never come to fruition. There have however been times when fighters crossed enemy lines and competed for rival promotions. Today we look at the biggest, bloodiest and most surprising of all time. Support the channel at: https://www.patreon.com/itsnotcagefighting Follow us on Twitter at: https://www.twitter.com/INCagefighting