UFC legend and former middleweight champion Michael Bisping said that he is "100%" willing to come out of retirement to fight his rival Luke Rockhold.Bisping, now 45, lost to Rockhold in the UFC in 2014 before beating him in 2016 for the middleweight championship despite filling in for another fighter on just two weeks notice. The 185-pound fighter would defend the title once before losing to Georges St. Pierre, who is viewed as one of the greatest fighters of all time. The Englishman retired a... Read this story