September 26, 2026 · Meta APEX, Las Vegas, United States
Demopoulos
11-8-0
Unranked38 years old
Jauregui
11-2-0
Unranked27 years old
Distance and transitions
Jauregui returns after a layoff. Demopoulos looks to turn close-range exchanges into submission attacks.
Conviction
Small preference based on documented sequences with substantial transfer uncertainty after inactivity. Demopoulos need not face an injured opponent to win. Draw omitted: no fight-specific basis supports an estimate of tied scorecards for this bout; uncertainty about the winner is captured in the fighter percentages.
Small preference based on documented sequences with substantial transfer uncertainty after inactivity. Demopoulos need not face an injured opponent to win. Draw omitted: no fight-specific basis supports an estimate of tied scorecards for this bout; uncertainty about the winner is captured in the fighter percentages.
THE TWO-YEAR QUESTION
Is the Talent Still There?
The slight Jauregui preference rests on the Hughes performance: she denied entries and picked combinations from range across three rounds. The proposed route is making Demopoulos restart her approach and landing before clinch contact becomes sustained grappling. This is evidence from a different opponent in 2024, not proof of current superiority. Demopoulos has another route beyond initiating takedowns: against Gomez Juarez she caught an armbar while underneath a striking follow-up. Jauregui therefore has to manage distance after landing, not chase recklessly into grappling. Souza also showed a knockdown-to-back-take submission against Jauregui; that sequence does not require repeated wrestling entries. Decision is the selected method because Jauregui has demonstrated sustained combination scoring; KO remains possible if she hurts Demopoulos, and submission threats can change the fight after contact. Layoff adds uncertainty about execution, but the old injury does not establish current impairment. Neither age nor reach sets the result. The 53% estimate is an uncalibrated editorial lean.
The slight Jauregui preference rests on the Hughes performance: she denied entries and picked combinations from range across three rounds. The proposed route is making Demopoulos restart her approach and landing before clinch contact becomes sustained grappling. This is evidence from a different opponent in 2024, not proof of current superiority. Demopoulos has another route beyond initiating takedowns: against Gomez Juarez she caught an armbar while underneath a striking follow-up. Jauregui therefore has to manage distance after landing, not chase recklessly into grappling. Souza also showed a knockdown-to-back-take submission against Jauregui; that sequence does not require repeated wrestling entries. Decision is the selected method because Jauregui has demonstrated sustained combination scoring; KO remains possible if she hurts Demopoulos, and submission threats can change the fight after contact. Layoff adds uncertainty about execution, but the old injury does not establish current impairment. Neither age nor reach sets the result. The 53% estimate is an uncalibrated editorial lean.
Truth A
Jauregui has shown range combinations and entry defense against Hughes.
Truth B
Demopoulos has shown a counter-submission without initiating a takedown.
Tale of the Tape
An 11-year gap. Demopoulos turns 38 four days before the fight.
11 cm of reach in Jauregui's favor, a meaningful edge at strawweight
Both arrive with long layoffs. Jauregui's included a mid-layoff withdrawal due to injury.
Current Form
Vanessa Demopoulos
Took this at flyweight (125 lbs) on short notice as a replacement. Horth was bigger and taller. Contextual loss, but it's the third in a row.
Unanimous DecisionAlencar won by unanimous decision with scores of 30-26, 30-27 and 30-27.
Unanimous DecisionArmbarred in round one at 3:28. Replays showed a possible glove grab by Amorim. Demopoulos appealed to the Nevada commission; no change.
Sub R 1Narrow split decision win. Showed toughness in the clinch and on the mat.
Split DecisionUnanimous decision win, 29-28 on all three cards. The official result does not establish dominance throughout the fight.
Unanimous DecisionThree consecutive losses, most recently a short-notice flyweight bout against Horth in June 2025. Returning to strawweight changes the context without proving improved performance or an easier weight cut.
Yazmin Jauregui
Souza landed a left hand, took the back in transition and finished by rear-naked choke at 3:02 of round one at UFC 306. Before the finish, each fighter landed one low blow on the other, according to the official report; this context limits treating the sequence as an uninterrupted exchange.
Sub R 1Controlled the decision in a fight held in Mexico. Showed patience and volume, though without the explosiveness of her earlier KOs.
Unanimous DecisionGomes won by TKO in 20 seconds at UFC 290 in July 2023.
TKO R 1Second-round TKO win. Jauregui was knocked down in round one before turning the fight around.
TKO R 2UFC debut. Won on the cards without the finishing spark that would come later.
Unanimous DecisionHer latest bout was the submission loss to Souza in September 2024, following a knockdown and back take. A long layoff and a reported injury withdrawal in March 2025 leave current execution uncertain; they do not establish present incapacity or intact past form. The 4/10 score is a cautious editorial assessment of available history, not evidence of recovery or improvement during the layoff.
Level of Competition
Both beat Sam Hughes: Demopoulos in LFA in 2020 and Jauregui by decision in the UFC in February 2024. Different periods and contexts prevent a transitive inference of superiority.
Statistical Comparison
Significant Strikes Landed per Minute
Demopoulos: Demopoulos: UFC summary 3.37 versus GIDStats 4.11; denominators remain unreconciled. · Jauregui: Secondary sources disagree (CBS Sports 6.64 vs GIDStats 6.35) and the denominator has not been reconciled; value withheld pending confirmation (see evidence yj).
Demopoulos: UFC summary 3.37 versus GIDStats 4.11; the discrepant denominators were not reconstructed. Jauregui: 6.35 versus 6.64 also conflict. Values omitted from the numerical comparison, without inferring an advantage from them.
Significant Strike Accuracy (%)
Demopoulos: 40% UFCStats / 50% GIDStats; unreconciled denominators. · Jauregui: CBS 39% versus GIDStats 41%; unresolved conflict.
Accuracy omitted because denominators remain unreconciled: Demopoulos 40% at UFCStats versus 50% at GIDStats; Jauregui 39% at CBS versus 41% at GIDStats. No edge is inferred from these figures.
Significant Strikes Absorbed per Minute
Jauregui: Unresolved CBS 5.25 versus GIDStats 12.00 conflict.
Jauregui SApM omitted: CBS reports 5.25 and GIDStats 12.00, without reconciled denominators. Demopoulos’s rate is historical context, not a damage forecast for this matchup. Demopoulos 4.00 is from UFCStats; no comparable secondary value was captured. Differences in other metrics do not establish an error in this rate.
Significant Strike Defense (%)
Historical aggregate across different opponents and exposure; no direct causal conclusion follows from the rate.
Takedowns Landed per 15 Min
Historical aggregate across different opponents and exposure; no direct causal conclusion follows from the rate.
Takedown Accuracy (%)
Jauregui: No takedown attempts recorded in UFC career
Sample size: Jauregui: 0
Historical aggregate across different opponents and exposure; no direct causal conclusion follows from the rate.
Takedown Defense (%)
Jauregui: Sources report 100%, but the number of attempts faced was not independently verified; unknown denominator is not zero attempts.
Historical aggregate across different opponents and exposure; no direct causal conclusion follows from the rate.
Submission Attempts per 15 Min
Historical aggregate across different opponents and exposure; no direct causal conclusion follows from the rate.
Demopoulos leads in 2 categories · Jauregui leads in 1
Win & Loss Distribution
Wins
KO/TKO
Submission
Decision
These are professional career totals, including pre-UFC fights. Jauregui has documented ground exposure: at UFC 306 (Sep 2024) Souza dropped her with a counter left, took her back in the transition and finished with a rear-naked choke at 3:02 of R 1 (evidence yj, yj). That ground sequence originated from a knockdown, not a wrestling entry, which is why it does not directly predict that Demopoulos, a grappling-entry fighter, can replicate the same chain. Demopoulos’s bottom armbar against Juarez demonstrates a counter-submission route that also does not require a standing takedown.
Losses
KO/TKO
Submission
Decision
Demopoulos has no KO/TKO defeat among her eight professional losses; this describes history without guaranteeing future durability. Jauregui lost to Gomes’s explosive striking by TKO in 2023 and to Souza’s rear-naked choke after a knockdown and back take in 2024. Souza’s ground entry differs from the clinch and grappling route proposed for Demopoulos. Neither episode establishes that Demopoulos will obtain the same access. The matchup depends on her connecting entries to offense, or Jauregui denying contact and scoring combinations.
Skills Profile
Demopoulos
vs
Jauregui
Long-Range Striking
+1 Jauregui
Against Hughes, Jauregui combined strikes at range and denied entries. Demopoulos presents a different submission threat; an 11 cm reach advantage does not guarantee a repeat.
Knockout Power
+1 Jauregui
Jauregui has seven KO/TKO wins in eleven professional victories, with different opposition and scope. Demopoulos has one KO/TKO win. Totals do not directly measure power in this matchup.
Grappling and Clinch
+1 Demopoulos
Demopoulos submitted Juarez from bottom after being knocked down. Her route does not require initiating a takedown. Jauregui lost to Souza after a knockdown and back take, not a conventional wrestling entry.
Striking Defense
Even
Defense percentages come from different samples. Jauregui’s performance against Hughes supports the possibility of exiting entries, not automatic defensive superiority.
UFC Experience
Even
Demopoulos has more UFC bouts. This expands the available history but does not turn experience into an automatic technical advantage.
Cardio (3 Rounds)
Even
Both layoffs increase uncertainty about current execution. Age and an old injury establish neither current physical condition nor a cardio advantage.
Small preference based on documented sequences with substantial transfer uncertainty after inactivity. Demopoulos need not face an injured opponent to win.
Final Prediction
The Thesis
Conviction5/10The slight Jauregui preference rests on the Hughes performance: she denied entries and picked combinations from range across three rounds. The proposed route is making Demopoulos restart her approach and landing before clinch contact becomes sustained grappling. This is evidence from a different opponent in 2024, not proof of current superiority. Striking rates were not reconciled and do not support a numerical comparison or technical advantage. Demopoulos has another route beyond initiating takedowns: against Gomez Juarez she caught an armbar while underneath a striking follow-up. Jauregui therefore has to manage distance after landing, not chase recklessly into grappling. Souza also showed a knockdown-to-back-take submission against Jauregui; that sequence does not require repeated wrestling entries. Decision is the selected method because Jauregui has demonstrated sustained combination scoring; KO remains possible if she hurts Demopoulos, and submission threats can change the fight after contact. Layoff adds uncertainty about execution, but the old injury does not establish current impairment. Neither age nor reach sets the result. The 53% estimate is an uncalibrated editorial lean.
The slight Jauregui preference rests on the Hughes performance: she denied entries and picked combinations from range across three rounds. The proposed route is making Demopoulos restart her approach and landing before clinch contact becomes sustained grappling. This is evidence from a different opponent in 2024, not proof of current superiority. Striking rates were not reconciled and do not support a numerical comparison or technical advantage. Demopoulos has another route beyond initiating takedowns: against Gomez Juarez she caught an armbar while underneath a striking follow-up. Jauregui therefore has to manage distance after landing, not chase recklessly into grappling. Souza also showed a knockdown-to-back-take submission against Jauregui; that sequence does not require repeated wrestling entries. Decision is the selected method because Jauregui has demonstrated sustained combination scoring; KO remains possible if she hurts Demopoulos, and submission threats can change the fight after contact. Layoff adds uncertainty about execution, but the old injury does not establish current impairment. Neither age nor reach sets the result. The 53% estimate is an uncalibrated editorial lean.
What Breaks This Pick
- 01
Demopoulos turns an entry or striking follow-up into an effective submission threat.
- 02
Jauregui cannot reproduce her exits and combinations against this opponent.
- 03
Demopoulos scores effectively in close exchanges while limiting clean return strikes.
Underdog Path
Demopoulos closes after a combination, establishes contact and attacks a transition, or threatens an armbar from guard if Jauregui follows her down. She can also score in sustained close exchanges; no fixed takedown count is required.
Required Conditions
- Create meaningful offense after contact.
- Manage incoming combinations during approaches.
- Exploit an opening without assuming Jauregui is medically impaired.
— Precedent: The Gomez Juarez armbar at UFC 270 documents a counter from bottom after a knockdown. It is an older example against another opponent, not a promise she can repeatedly absorb damaging strikes.
Verdict
Winner
Yazmin Jauregui
Method
Unanimous Decision
Most likely winner
Yazmin Jauregui wins
The slight Jauregui preference rests on the Hughes performance: she denied entries and picked combinations from range across three rounds. The proposed route is making Demopoulos restart her approach and landing before clinch contact becomes sustained grappling. This is evidence from a different opponent in 2024, not proof of current superiority. Striking rates were not reconciled and do not support a numerical comparison or technical advantage. Demopoulos has another route beyond initiating takedowns: against Gomez Juarez she caught an armbar while underneath a striking follow-up. Jauregui therefore has to manage distance after landing, not chase recklessly into grappling. Souza also showed a knockdown-to-back-take submission against Jauregui; that sequence does not require repeated wrestling entries. Decision is the selected method because Jauregui has demonstrated sustained combination scoring; KO remains possible if she hurts Demopoulos, and submission threats can change the fight after contact. Layoff adds uncertainty about execution, but the old injury does not establish current impairment. Neither age nor reach sets the result. The 53% estimate is an uncalibrated editorial lean.
COLISEUM - Statistical and tactical analysis. Data sourced from ufcstats.com and public sources.
Vanessa "Lil Monster" Demopoulos vs Yazmin Jauregui | UFC Vegas 121: Rosas Jr. vs. Barcelos | September 26, 2026 | Meta APEX, Las Vegas, United States
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