At UFC 321 in Abu Dhabi on October 25, Mackenzie Dern achieved a milestone that transcends the Octagon. By defeating Virna Jandiroba by way of unanimous determination with scores of 48-47, 48-47, and 49-46, Dern captured the vacant UFC ladies’s strawweight championship and have become a part of the game’s increasing historical past.
Mackenzie Dern
Within the quick aftermath of her victory, Dern understood the importance of the second, she said:
“It’s historical past – I imply, it’s historical past. I feel, , nobody will be capable of take this away from me. I actually solidified my identify within the sport and the sky is the restrict. I’m simply blissful to be a part of historical past now and a part of MMA remains to be actually new. The primary UFC was once I was born, 1993, so it’s like 32 years the game, , and to be a part of this and the long run era – I hope I encourage ladies and fighters.”
Towards Jandiroba at UFC 321, Dern deployed an enhanced placing arsenal that mirrored years of devoted work beneath placing coach Jason Parillo.
She outstruck her opponent 247 to 152 throughout 5 rounds, displaying technical proficiency that had been questioned earlier in her profession. Although Jandiroba secured 9 takedowns, Dern neutralized the Brazilian’s floor management and maintained offensive momentum from her again when wanted. The judges’ consensus clearly favored Dern’s general efficiency regardless of the aggressive nature of the bout.
Beyond the immediate victory, Dern’s championship marks a historic achievement across grappling disciplines. She became the first woman to win the IBJJF Black Belt World Championship, an ADCC World Championship, and a UFC title. This accomplishment places her among an exceptionally small group. Only Fabricio Werdum, the former UFC heavyweight champion, has previously achieved this feat across both men’s and women’s competition.
Dern’s Brazilian jiu-jitsu credentials established her as a world-class grappler lengthy earlier than her MMA profession. She competed because the world’s top-ranked IBJJF competitor, earned a number of world championships at every belt degree, and captured ADCC gold in submission grappling.
UFC Profession
The journey to UFC 321 was removed from linear. After making her UFC debut in 2018, Dern confronted a interval of adversity that examined her resolve. She compiled a 1-3 report in her first 4 UFC fights, struggled with weight administration points that resulted in a number of missed weights, and confronted questions on her placing skills and consistency. Between 2020 and 2024, she received solely two of six fights, prompting observers to query whether or not her jiu-jitsu elite standing would translate into UFC championship potential.
The tide shifted when Dern reunited with placing coach Jason Parillo and refined her general combating strategy. Starting in January 2025 with a submission victory over Amanda Ribas, she started a three-fight successful streak that positioned her for title consideration.

The vacant title bout between Dern and Jandiroba made aggressive sense on a number of ranges. The 2 fighters had beforehand met in December 2020, with Dern successful a striking-focused unanimous determination. Each had remained energetic and profitable within the interim years, with Jandiroba getting into the title bout on a formidable five-fight successful streak that included submissions over Amanda Lemos and a call victory towards Yan Xiaonan. Jandiroba held the number-one rating within the division, whereas Dern sat at quantity 5, making their rematch an affordable avenue to crown a brand new champion.
Immediately following the victory at UFC 321, Dern’s emotional response was evident as she wiped away tears during her post-fight interview. She celebrated with her six-year-old daughter, Moa Dern Santos, inside the Octagon — a second that added private significance to the championship achievement.

