Mackenzie Dern has the chance to right some wrongs on Saturday when she faces Amanda Ribas in a rematch. The first time the two met was in 2019 when Dern had a perfect 7-0 record and Ribas was 7-1.

Mackenzie Dern is quite literally the most significant person in the UFC strawweight division now that she's the promotion's 115-pound champion. That's regardless of how MMA veteran-turned-analyst Din ...