Mackenzie Dern VS Gillian Robertson

Mackenzie Dern successfully defended the UFC strawweight title by defeating Gillian Robertson via unanimous decision over five championship rounds at UFC 330 in Philadelphia on August 15, 2026. Two judges scored the bout 49-46 and one 48-47 in Dern's favor, as the champion dominated four of five rounds through takedowns, back control, and precise boxing. The sharpest finish opportunity came in round one, when Dern took Robertson's back and nearly secured a rear-naked choke before Robertson survived by shifting her body angle just before the buzzer. Dern continued to hunt back control and submission attempts through rounds two, three, and four, with Robertson earning only the final round after securing a takedown with too little time remaining to threaten. The win marks Dern's first successful title defense since claiming the vacant belt against Virna Jandiroba; Robertson, who holds the UFC women's record for most career submission finishes, falls to 17-8.

Mackenzie Dern makes her first strawweight title defense against Gillian Robertson, who arrives on a five-fight winning streak capped by wins over Marina Rodriguez and Amanda Lemos. In a historic UFC first, both title combatants are jiu-jitsu specialists — Robertson holds the UFC record for women's submission victories — turning this into a ground-chess match where positional IQ and submission sequencing matter more than striking output.