Holly Holm's gym: "A champion factory"
4:07am PDT - April 14th, 2021 ronda rousey - CBS News60 Minutes Sports covers the Jackson Wink MMA Academy -- an elite training ground for some of the best MMA fighters in the world including UFC Bantamweight Champion Holly Holm who pulled off a stunning upset victory over Ronda Rousey. Watch Tuesday, March 1 a…