Women’s strawweight champion Mackenzie Dern is one of the UFC’s biggest stars — but she’s already got her eyes on a post-MMA career.  Dern, 33, exclusively told Us that she’d open to transitioning to the WWE whenever she decides to leave the octagon behind.  “Oh yeah, that’d be fun. So much fun,” she said at the UFC 331 on Paramount+ red carpet at Crypto.com Arena in Los Angeles on Saturday, September 19. “I mean, the Bella [Twins]. It’s so cool. I’d be able to once I retire.” Dern gave a nod to Nikki and Brie Bella, pioneers in the WWE women’s division who debuted back in...