Mackenzie Dern enters UFC 321 as one of the most accomplished Brazilian jiu-jitsu practitioners to ever compete in MMA. With eight career submission victories and steadily improving striking, Dern has maintained her position among the strawweight elite. As she prepares for a rematch with Virna Jandiroba for the vacant UFC Strawweight Championship, here are her three most impactful performances heading into the title fight.
1. Dern vs. Amanda Ribas 2 – UFC Fight Night 249 (Las Vegas)
In a high-stakes rematch, Dern avenged her 2019 loss to Amanda Ribas with a flawless third-round armbar submission just four seconds before the final bell. After weathering early adversity, she displayed technical precision and composure, earning a Performance of the Night bonus. The victory reaffirmed her status as one of the sport’s most dangerous submission specialists.
2. Dern vs. Loopy Godinez – UFC on ABC 7 (Abu Dhabi)
Facing rising contender Loopy Godinez, Dern showcased her evolution into a well-rounded fighter. Mixing improved boxing with timely grappling exchanges, she controlled the distance and dictated the pace throughout the fight. The unanimous-decision win highlighted her strategic balance, proving that her MMA arsenal extends far beyond elite jiu-jitsu.
3. Dern vs. Amanda Lemos – UFC 298 (Anaheim)
Although she came up short on the scorecards, Dern’s gritty display against top-five contender Amanda Lemos earned Fight of the Night honors. She maintained relentless forward pressure and demonstrated toughness under fire, showcasing her warrior mentality and mental fortitude — traits that now fuel her championship aspirations.