UFC on Fox 22: VanZant vs. Waterson 2016 Synopsis - UFC on Fox 22: VanZant vs. Waterson was a mixed martial arts event promoted by the Ultimate Fighting Championship and held on December 17, 2016, at Golden 1 Center in Sacramento, California. A women's bout between Paige VanZant and former Invicta FC Atomweight Champion Michelle Waterson served as the event headliner.