Prospect Mackenzie Dern opens up about her failed weight cut at #UFC224, says she weighed 139 pounds the Tuesday before weigh-ins. | MMA Fighting

8.1K views · 50 reactions | Mackenzie Dern is grateful to fight at #UFCVegas but admits she's experiencing "mixed emotions." "It was a long camp, then it was one person, then it was changed… It's the first time I'm away [from my daughter]." | MMA Fighting | Facebook

22K views · 163 reactions | UFC strawweight Mackenzie Dern recounts her UFC 222 weight cut, says she never worried about not making weight despite being the last one to weigh in. | MMA Fighting | Facebook

No more debate! Mackenzie Dern is now in the title conversation. [ #UFCVegas23 | We're LIVE on ABC & #ESPNPlus ] | UFC

Another step toward a title shot! Mackenzie Dern on what's next after defeating Angela Hill at #UFCVegas73 | UFC

BJJ female world Champion Mackenzie Dern vs a Japanese Judo Black belt in Bjj rules. Japanese TV can be awesome! | Martial Artist

El As del BJJ regresa! Mackenzie Dern 🥋 #UFCVegas101 | UFC

26K views · 596 reactions | Mackenzie Dern showing off her expert-level BJJ skills with a devastating knee bar 勞 #BJJ #MackenzieDern #KneeBar #SubmissionMaster #BJJ#BrazilianJiuJitsu#KneeBar#LowerBodySubmissions#SubmissionGame#SubmissionSkills#MackenzieDern#BJJChampion#BJJTraining#MMA | Roger Costa BJJ | Facebook