Vanessa Demopoulos vs. Yazmin Jauregui - UFC Fight Night: Rosas Jr. vs. Barcelos Results & AI Breakdown

Winner: Yazmin Jauregui by KO/TKO

Fight Info:
Location: Las Vegas, Nevada, USA
Elevation: 778.00m
Weight Class: Women's Strawweight
Wikipedia: https://en.wikipedia.org…

The content below shows how the model reached its conclusion for the prediction. The higher the value of the number, the more confident the model is in the prediction. The confidence scores do not perfectly correlate with accuracy. Use your judgement to see where the model may have missed the mark.

The predictions below are shown in dark grey if they were correct, incorxrect predictions are shown in red.
Predictions
WT6 = WolfTickets 6 WT5 = WolfTickets 5 Bet Marginal Red = Incorrect
Fighter
WT6
WT5
WT6 EV
WT5 EV
76%
28
-14.5
-11.7

Weighted Scoring Report

Weighted Score for WTAI Prediction

Predicted Winner: Yazmin Jauregui

Weight Class: Women's Strawweight

Final Confidence: 28

Confidence Adjustments

Value: +0.0%

Reason: Base confidence >= 27, no change

Fighter History & Outcomes

Vanessa Demopoulos

Weight Change: Staying at usual weight

Fight History:

  • June 14, 2025: Vanessa Demopoulos lost against Jamey-Lyn Horth. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 27 - 30. 27 - 30.
  • April 5, 2025: Vanessa Demopoulos lost against Talita Alencar. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 26 - 30. 27 - 30. 27 - 30.
  • September 7, 2024: Vanessa Demopoulos lost against Jaqueline Amorim. The fight ended in round 1 at 3:28. Method of victory: Submission.
  • May 18, 2024: Vanessa Demopoulos won against Emily Ducote. The fight ended in round 3 at 5:00. It was a split decision. Additional details: 28 - 29. 29 - 28. 28 - 29.
  • October 7, 2023: Vanessa Demopoulos won against Kanako Murata. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 28 - 29. 28 - 29. 28 - 29.
  • May 20, 2023: Vanessa Demopoulos lost against Karolina Kowalkiewicz. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 27 - 30. 27 - 30.
  • November 19, 2022: Vanessa Demopoulos won against Maria Oliveira. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 28 - 29. 28 - 29. 28 - 29.
  • June 25, 2022: Vanessa Demopoulos won against Jinh Yu Frey. The fight ended in round 3 at 5:00. It was a split decision. Additional details: 28 - 29. 29 - 28. 27 - 30.
  • January 22, 2022: Vanessa Demopoulos won against Silvana Gomez Juarez. The fight ended in round 1 at 2:25. Method of victory: Submission.
  • August 28, 2021: Vanessa Demopoulos lost against JJ Aldrich. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 27 - 30. 27 - 30.
Yazmin Jauregui

Weight Change: Staying at usual weight

Fight History:

  • September 14, 2024: Yazmin Jauregui lost against Ketlen Souza. The fight ended in round 1 at 3:02. Method of victory: Submission.
  • February 24, 2024: Yazmin Jauregui won against Sam Hughes. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 27 - 30. 27 - 30.
  • July 8, 2023: Yazmin Jauregui lost against Denise Gomes. The fight ended in round 1 at 0:20. Method of victory: KO/TKO.
  • December 3, 2022: Yazmin Jauregui won against Istela Nunes. The fight ended in round 2 at 4:06. Method of victory: KO/TKO.
  • August 13, 2022: Yazmin Jauregui won against Iasmin Lucindo. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 28 - 29. 28 - 29.

Fight Analysis

Analysis: Vanessa Demopoulos vs Yazmin Jauregui

WolfTicketsAI Predicts Yazmin Jauregui to Win

Score: 28
Odds:
Vanessa Demopoulos: +650
Yazmin Jauregui: -1000

Vanessa Demopoulos's Breakdown

"Lil Monster" is a scrappy grappler who fights out of a switching stance and lives for the chaos of a scramble. Her whole game runs off her BJJ, and when she can drag someone into deep water on the mat, she's dangerous. Look no further than the Silvana Gomez Juarez fight, where Juarez cracked her early and dropped her, only for Vanessa to immediately throw her legs up and hunt the armbar. She missed the first one but stayed patient and locked in the second for the tap. Same story against Jinh Yu Frey, where she was losing the striking for two rounds before timing a level change on Frey's straight left in Round 3, taking the back, and finishing with an armbar.

Signature techniques: - Split-leg scrambles and guard recovery. Against Kanako Murata, she wall-walked off the cage repeatedly and used her flexibility to reset guard rather than eat top control. This is her bread and butter. - Armbar-to-triangle chains from bottom. Against Jaqueline Amorim in Round 1, her active guard and armbar threat forced Amorim to abandon a pass. She turns bad positions into submission attempts. - Overhand right off a level-change feint. Against Amorim in Round 2, she landed a crisp overhand right that stunned her, then dropped for a takedown.

Technical evolution: She's paced herself better in recent years, seizing momentum late when opponents fade (Murata R3, Amorim R3). But that trend has cratered lately. She's dropped three straight, including two lopsided decisions where she couldn't impose anything.

Vanessa Demopoulos's Technical Vulnerabilities

  • Linear retreat with chin high. This is the recurring nightmare. Against Karolina Kowalkiewicz, she backed straight to the fence eating jab-cross-hook combos all night. Against Emily Ducote, a clean right hook caught her chin as she blitzed forward. Jauregui is a high-volume pressure striker who will punish this exact habit.
  • Takedown defense against the cage. Against Talita Alencar, she defended just one of five takedowns and got controlled for three full rounds. Her hips ride too high and she relies on athletic sprawls over strong underhooks.
  • Telegraphed shot entries. She drops her head and level-changes without setup, which Kowalkiewicz stuffed easily in Round 2. Against a fighter who defends takedowns well, her path to the mat narrows.

Yazmin Jauregui's Breakdown

Jauregui is a pressure-heavy, high-output striker with a gas tank that doesn't quit. Against Iasmin Lucindo she chopped the legs, worked a stiff jab, and buried her under volume for three rounds, handling a grappler by simply not letting her set anything up. Against Istela Nunes she got the KO/TKO in Round 2, showing real pop behind the volume. She throws in clean combinations and mixes body and leg kicks to break rhythm.

Signature techniques: - High-volume combination striking. She lands 7.58 strikes per minute with a striking output differential of +51.2. That's a flood of offense. - Leg kicks to kill mobility. She chopped Lucindo's legs to shut down movement and takedown entries. - Forward pressure with a solid chin. She takes shots and fires back, staying composed under fire.

Technical evolution: Improved footwork and head movement in her recent fights, letting her stay in the pocket and counter. But there's a clear caution: she's lost two of her last three, and both losses expose the same hole.

Yazmin Jauregui's Technical Vulnerabilities

  • Ground defense and submissions. She got submitted by Ketlen Souza in Round 1 in her last outing. She has zero career takedowns and a bottom game that has failed her. This is the single biggest red flag against a submission artist like Demopoulos.
  • Defensive openings when pressing forward. She admits gaps when she blitzes. Against Denise Gomes, she got caught and KO'd in Round 1 walking into fire.
  • Recent form dip. A 0.33 recent win percentage means the aura of the early hype run has faded. Both recent losses came inside the distance.

Style Matchup Dynamics

This is a clean striker-versus-grappler clash. Jauregui wants to keep it standing, pump the jab, chop the legs, and drown Vanessa in volume. That plan lines up perfectly with Demopoulos's worst habit: retreating in straight lines with her chin up. Kowalkiewicz and Ducote both wrote the blueprint, and Jauregui throws more than either of them.

Demopoulos's only real road to victory is the Frey and Juarez script. Get it to the mat, or better yet, bait Jauregui into overextending and threaten the armbar off her back. Jauregui got tapped by Souza and has never shown she can survive a determined submission specialist on the floor. If Vanessa catches a kick or times a level change on a Jauregui blitz, the armbar is live.

The catch is getting there. Jauregui defends takedowns well against grapplers (see Lucindo), and Vanessa's telegraphed entries and high-hipped shots have been stuffed by better wrestlers than Jauregui. Against Alencar, Vanessa couldn't get up once she was on bottom, but here the roles flip: Vanessa needs to drag a striker down, and her career takedown accuracy sits at a poor 10 percent.

Fight Phase Analysis

  • Early rounds: Jauregui should own the opening frames, establishing the jab and leg kicks the way she did against Lucindo. This is where Vanessa is most vulnerable to eating clean counters as she tries to close distance.
  • Mid-fight: If Vanessa hasn't found the mat, the volume compounds. But this is also the danger window for Jauregui. If she gets careless pressing forward like she did against Gomes, or if Vanessa catches a kick, the scramble opens up a submission.
  • Late rounds: Jauregui's cardio is elite and Vanessa tends to surge late herself. If it's still standing in Round 3, Jauregui's gas tank and output win the exchanges the way she did against Lucindo.

Analysis and Key Points

  • Jauregui's volume vs Vanessa's linear retreat. The Kowalkiewicz and Ducote losses show exactly how a pressure striker breaks Demopoulos down.
  • Vanessa's armbar vs Jauregui's ground game. The one live path for the upset. Souza tapped Jauregui in Round 1, and Vanessa finished Frey and Juarez off her back in nearly identical scenarios.
  • Takedown gap. Vanessa's 10 percent takedown accuracy and telegraphed entries make forcing the grappling phase a real problem.
  • KO caution. Jauregui has KO power and Vanessa gets dropped early sometimes (Juarez cracked her). But Vanessa's chin has held up enough to survive and counter.
  • Reach and output. Jauregui's 64-inch reach dwarfs Vanessa's 59, and her striking impact differential is +17.4 versus Vanessa's -24.7.

Understanding the Prediction

The model lands on Jauregui but only at a score of 28, meaning it sees a comfortable favorite with real caveats.

  • Odds dropped the score by 16, the biggest single factor, reflecting Jauregui's heavy -1000 line.
  • significant_striking_impact_differential decreased it by 3, and striking_defense_percentage by 2, pointing to Jauregui's edge in the striking numbers.
  • reach decreased it by 2, favoring Jauregui's 64-inch span.
  • recent_win_perc decreased it by 2, a nod to Jauregui's rocky recent form actually tempering confidence.
  • trueskill pushed the score up by 3, the largest bump toward Vanessa, since her rating sits closer than the odds suggest.
  • recent_takedowns_attempted_per_fight and recent_striking_impact_differential each nudged it up by 1, crediting Vanessa's grappling activity.

The net picture: the market and striking metrics anchor Jauregui as the pick, while Vanessa's TrueSkill and takedown volume keep the score from running away.

Past Model Performance

WolfTicketsAI has a shaky history with both. On Demopoulos, the model has been wrong more than right, missing on Frey, Oliveira, Murata, Ducote, and Alencar. Notably, it keeps underrating her scrambling in close fights. On Jauregui, the model is 2-2, and both misses are the ugly ones: it picked her at 0.74 against Gomes (she got KO'd) and 0.76 against Souza (she got submitted). That's the warning here. Every time the model has trusted Jauregui and been burned, it was a finish loss, and Vanessa is exactly the kind of submission threat that produced one of those losses.

Conclusion

WolfTicketsAI picks Yazmin Jauregui, and the striking math backs it. Her volume, reach, cardio, and power line up against Demopoulos's oldest flaw: backing straight up with her chin high. Expect Jauregui to control range, chop the legs, and pile up output. But keep the score of 28 in mind. This is a confident lean, not a lock. If Vanessa can catch a kick or bait a blitz and drag this to the floor, the armbar that finished Frey and Juarez, and the choke that beat Jauregui herself against Souza, is very much in play. The smart read stays with Jauregui on points or by late stoppage, with a live upset puncher's chance for Demopoulos on the mat.

Stat Breakdown

Stat Vanessa Demopoulos Yazmin Jauregui
Main Stats
Age 38 27
Height 62" 63"
Reach 59" 64"
Win Percentage 57.89% 84.62%
Wins 11 12
Losses 9 2
Wins at Weight Class 5 3
Losses at Weight Class 3 2
Striking Stats
Striking Accuracy 47.48% 42.09%
Significant Striking Accuracy 39.88% 39.44%
Strikes Landed Per Minute 5.235 7.582
Significant Strikes Landed Per Minute 3.583 6.641
Knockdowns per Fight 0.119 0.706
Striking Impact Differential -24.70% 17.40%
Significant Striking Impact Differential -26.10% 11.80%
Striking Output Differential -4.60% 51.20%
Significant Striking Output Differential -6.80% 44.40%
Striking Defense to Offense Ratio 80.12% 85.09%
Significant Striking Defense to Offense Ratio 107.98% 95.74%
Striking Defense Percentage 40.62% 54.77%
Takedown and Submission Stats
Submissions per Fight 0.238 0.000
Takedowns per Fight 0.358 0.000
Takedowns Attempted per Fight 3.456 1.766
Takedown Defense 260.00% 100.00%
Takedown Accuracy 10.34% 0.00%
Head Stats
Head Strikes Landed per Minute 2.296 4.144
Head Strikes Attempted per Minute 7.181 12.810
Head Strikes Absorbed per Minute 3.964 3.085
Body Stats
Body Strikes Landed per Minute 0.914 1.107
Body Strikes Attempted per Minute 1.311 2.072
Body Strikes Absorbed per Minute 1.033 1.177
Leg Stats
Leg Strikes Landed per Minute 0.373 1.389
Leg kicks Attempted per Minute 0.493 1.955
Leg kicks Absorbed per Minute 0.659 0.989
Clinch Stats
Clinch Strikes Landed per Minute 0.501 0.636
Clinch Strikes Attempted per Minute 0.699 0.966
Clinch Strikes Absorbed per Minute 0.222 0.400
Vanessa Demopoulos History:
Date Weight Red Corner Blue Corner Winner
June 14, 2025 Women's Flyweight Jamey-Lyn Horth Vanessa Demopoulos Jamey-Lyn Horth
April 5, 2025 Women's Strawweight Vanessa Demopoulos Talita Alencar Talita Alencar
Sept. 7, 2024 Women's Strawweight Jaqueline Amorim Vanessa Demopoulos Jaqueline Amorim
May 18, 2024 Women's Strawweight Vanessa Demopoulos Emily Ducote Vanessa Demopoulos
Oct. 7, 2023 Women's Strawweight Vanessa Demopoulos Kanako Murata Vanessa Demopoulos
May 20, 2023 Women's Strawweight Karolina Kowalkiewicz Vanessa Demopoulos Karolina Kowalkiewicz
Nov. 19, 2022 Women's Strawweight Vanessa Demopoulos Maria Oliveira Vanessa Demopoulos
June 25, 2022 Women's Strawweight Vanessa Demopoulos Jinh Yu Frey Vanessa Demopoulos
Jan. 22, 2022 Women's Strawweight Silvana Gomez Juarez Vanessa Demopoulos Vanessa Demopoulos
Aug. 28, 2021 Women's Flyweight JJ Aldrich Vanessa Demopoulos JJ Aldrich
Yazmin Jauregui History:
Date Weight Red Corner Blue Corner Winner
Sept. 14, 2024 Women's Strawweight Yazmin Jauregui Ketlen Souza Ketlen Souza
Feb. 24, 2024 Women's Strawweight Yazmin Jauregui Sam Hughes Yazmin Jauregui
July 8, 2023 Women's Strawweight Yazmin Jauregui Denise Gomes Denise Gomes
Dec. 3, 2022 Women's Strawweight Yazmin Jauregui Istela Nunes Yazmin Jauregui
Aug. 13, 2022 Women's Strawweight Yazmin Jauregui Iasmin Lucindo Yazmin Jauregui