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Mackenzie Dern vs Gillian Robertson

Women's Strawweight · Main card · UFC 330: Makhachev vs. Machado Garry

FINAL: Mackenzie Dern by U-DEC
Mackenzie Dern
Mackenzie Dern
Age 33 · Elo 1604
WWWLL
294 days since last fight
vs
Gillian Robertson
Gillian Robertson
Age 31 · Elo 1569
WLWWL
469 days since last fight

Who wins, by source

Mackenzie DernGillian Robertson
Claude Claude: Mackenzie Dern 44% Claude: Gillian Robertson 56% 44% 56% GPT GPT: Mackenzie Dern 42% GPT: Gillian Robertson 58% 42% 58% Market Market: Mackenzie Dern 64% Market: Gillian Robertson 36% 64% 36% Elo Elo: Mackenzie Dern 55% Elo: Gillian Robertson 45% 55% 45%

Each row splits one source's view of the fight. The dashed line is even odds. Where the models sit further from the market, they are claiming an edge.

Tale of the tape

Mackenzie DernGillian Robertson
Strikes landed / min Mackenzie Dern Strikes landed / min: 3.47 3.47 Gillian Robertson Strikes landed / min: 2.71 2.71 Strikes absorbed / min Mackenzie Dern Strikes absorbed / min: 3.93 3.93 Gillian Robertson Strikes absorbed / min: 2.86 2.86 Striking accuracy Mackenzie Dern Striking accuracy: 41% 41% Gillian Robertson Striking accuracy: 48% 48% Striking defense Mackenzie Dern Striking defense: 51% 51% Gillian Robertson Striking defense: 56% 56% Takedowns / 15 min Mackenzie Dern Takedowns / 15 min: 0.93 0.93 Gillian Robertson Takedowns / 15 min: 2.76 2.76 Takedown defense Mackenzie Dern Takedown defense: 37% 37% Gillian Robertson Takedown defense: 38% 38% Sub attempts / 15 min Mackenzie Dern Sub attempts / 15 min: 1.1 1.1 Gillian Robertson Sub attempts / 15 min: 0.9 0.9

Career UFC averages. Bars are scaled within each row, so compare left against right, not row against row. The stronger side is highlighted, and for strikes absorbed the lower number is the better one.

How it ends

KO/TKOSubmissionDecision
Claude Claude: KO/TKO 10% 10% Claude: Submission 25% 25% Claude: Decision 65% 65%GPT GPT: KO/TKO 10% 10% GPT: Submission 35% 35% GPT: Decision 55% 55%

Each model's split across the ways this fight can finish, out of 100.

The analysis

Claude
Gillian Robertson by Decision, 56% confidence

This is the clearest market-vs-model tension on the card. The market prices Dern at 64%, the public at 77%, but Elo has this nearly even (52/48) - and the underlying data supports the Elo read. The common opponent thread is striking: Robertson knocked out Marina Rodriguez and just beat Amanda Lemos, the same Lemos who out-pointed Dern in 2024. Robertson rides a five-fight win streak with two KOs; her wrestling-first grappling (2.76 TD/fight at 40%) is the exact vector to exploit Dern's catastrophic 37% takedown defense and 18% takedown accuracy. Dern's entire threat is her ADCC-level guard, but Robertson is herself a submission grappler (0.9 sub avg) with the positional discipline to ride top position without diving into Dern's traps - she's spent her career playing exactly this game. Dern's recent wins (Jandiroba, Ribas) are legitimate, but Robertson is the fresher fighter (155-day layoff vs 295) with the more coherent gameplan path. Grappler-vs-grappler fights between sub specialists historically go to the better wrestler, and that's Robertson decisively. I disagree with the market by roughly 15 points: it's underweighting Robertson's top-control ceiling and overweighting Dern's name-brand jiu-jitsu.

GPT
Gillian Robertson by Decision, 58% confidence

Robertson's superior takedown efficiency, positional wrestling, striking defense, and performance against the shared opponent give her more reliable paths to winning minutes. Dern can threaten submissions or reversals from almost any ground position, but her weak takedown accuracy and negative striking differential make sustained offensive control less dependable. Robertson is favored to manage the grappling exchanges carefully and edge a competitive decision.