LAS VEGAS – It was perhaps a more competitive UFC debut than many expected from heavy favorite Mackenzie Dern , but one person who is happy with it is the super prospect herself. Dern (6-0 MMA, 1-0 UFC) outpointed Ashley Yoder (5-4 MMA, 0-3 UFC) in the FS1-televised bout that closed out the preliminary card of Saturday’s UFC 222 event.
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