Last Updated on Setembro 23, 2026 7:19 pm by Erwin Noguera
Raul Rosas Jr. turns 22 next month. On Saturday, he becomes the youngest athlete ever to headline a UFC card.
He has the highest control-time percentage in bantamweight history, absorbs fewer than 1.5 strikes per minute, and put 16 takedowns on Rob Font in March. Across from him is a 39-year-old Brazilian on a five-fight winning streak who has been to the judges’ scorecards in ten of his last twelve fights and won seven.
Seventeen years separate them. That is the fight, and it is the reason the price is what it is.
Below it sits a twelve-fight card carrying both Ultimate Fighter Season 34 finals, a top-ten women’s bantamweight eliminator with a title fight waiting in November, and a rematch a decade in the making.
Não perca o evento deste sábado! UFC/MMA Acompanhe o evento com análises completas das lutas e dicas de apostas, e mantenha a adrenalina em alta! Cassino Gambyl, onde promoções exclusivas e ação ininterrupta no cassino elevam a noite de lutas a outro nível.
UFC Vegas 121 Las Vegas: Fight Card Odds and Info
| Raul Rosas Jr. (-210) | Raoni Barcelos (+177) |
| Rodolfo Vieira (+177) | Robert Bryczek (-210) |
| Mehemmedeli Osmanli (-400) | Ilimbek Akylbek (+319) |
| Melissa Amaya TBD | Tina Black TBD |
| Brady Hiestand (+387) | Rinya Nakamura (-500) |
| Rodolfo Bellato (-250) | Christian Edwards (+208) |
| Elves Brener (+169) | Josiah Harrell (-200) |
| Montel Jackson (-250) | Ricky Simon (+208) |
| Norma Dumont (+169) | Ailin Perez (-200) |
| John Castaneda (-200) | Alatengheili (+169) |
| Mickey Gall (-215) | Sedriques Dumas (+181) |
| Vanessa Demopoulos (-850) | Yazmin Jauregui (+596) |
| Quando? | Saturday, September 26 — prelims 5:00 PM ET, main card 8:00 PM ET |
| Onde? | Meta APEX, Enterprise, Nevada |
| Onde posso assistir? | Paramount+ |
UFC Vegas 121: Raul Rosas Jr. vs. Raoni Barcelos
Why Bet on Rosas Jr.?
He is 12-1, 6-1 in the UFC, and riding five straight wins into his first main event. The record understates how specific his skill set is. Rosas Jr. does one thing better than anyone in the division’s history: he gets hold of people and does not let go. The highest control time percentage in bantamweight history is not a stylistic note, it is the entire fight plan, and against Rob Font in March he executed it to the tune of sixteen takedowns in a single contest.
The defensive number matters just as much. Fewer than 1.5 strikes absorbed per minute is elite, and it is a direct product of the grappling: you cannot hit a man who is holding you. If he gets an early entry on Barcelos, the five-round distance becomes an advantage rather than an unknown, because he does not have to finish. He has to hold.
Why Bet on Barcelos?
At 39, he is on a five-fight winning streak and is comfortably the most underrated ranked fighter at 135. He has been to the judges in ten of his last twelve Octagon appearances and won seven of those, which tells you two things: he does not get finished, and he knows how to win rounds.
More importantly, he is the first genuinely savvy grappler Rosas Jr. has faced. Barcelos is a legitimate black belt with a wrestling base and power in his hands, and his path here is to make the takedown expensive: defend the first entry, punish the level change, and turn the fight into the kind of technical five-rounder his experience decides. Every previous Rosas opponent has either been unable to stop the entry or unable to threaten from underneath. Barcelos may be both.
Final Betting Analysis: Rosas Jr. vs. Barcelos
The seventeen-year age gap is doing most of the work in this price, and it should. Thirty-nine-year-old fighters do not usually improve, and five rounds against a man who controls position better than anyone in the division’s history is the hardest possible assignment.
Mas -210 is short for a first main event against the first real grappler of a young career. Rosas Jr. has never been past three rounds. He has never faced a man who can make the takedown attempt cost something. And Barcelos going the distance seven times successfully in his last twelve means the likeliest version of this fight is exactly the one Rosas has never had to survive.
We think Rosas wins. We do not think it is worth -210.
FREE PICK: Raul Rosas Jr. to win, but the value is Barcelos at +177 for a small play, and the fight to go the distance.
UFC Vegas 121: Rodolfo Vieira vs. Robert Bryczek
Why Bet on Vieira?
He is a BJJ world champion and one of the most decorated grapplers to enter the UFC, at 11-5 with a 6-5 Octagon record. Everything about his success relies on a single question: can he get his hands around his opponent? When he can, the fight ends. When he cannot, he loses.
His route is narrow but real. Bryczek has been taken down and controlled before, and at 36, Vieira retains the specific skill that makes him dangerous for as long as the fight lasts. A first-round entry gives him a submission window that almost nobody at 185 can survive.
Por que apostar em Bryczek?
The Pole is 18-7 and has alternated results through three UFC appearances: a knockout of Brad Tavares last September, then a decision loss to Cam Rowston in May. The pattern says it is his turn, which is a thin argument, but the stylistic one is not.
Bryczek’s job is simply to not be grappled. Maintain distance, punish the level change, keep the fight standing, and he beats Vieira comfortably: the Brazilian’s striking has never developed to a level that threatens a competent middleweight. He also has knockout power, which Vieira’s chin has not always answered.
Final Betting Analysis: Vieira vs. Bryczek
Both men are fighting for their roster spots. Vieira has lost two straight, including a unanimous decision to Eric McConico in April. Bryczek is 1-2 and a defeat likely ends his run.
The books cannot agree on a favourite here, which is itself informative: this is a coin-flip between two specialists whose skills barely overlap. Our read is that one-dimensional grapplers age worse than one-dimensional strikers. Vieira at 36, two fights into a losing run, needing a clean entry against a man specifically good at denying one, is the harder task.
FREE PICK: Robert Bryczek by decision or late TKO.
UFC Vegas 121: Mehemmedeli Osmanli vs. Ilimbek Akylbek
Why Bet on Osmanli?
The Azerbaijani turned 22 last month and arrives at the TUF 34 final having finished both his quarterfinal and semifinal. His career record is 12-1 com ten stoppages: eight of them by submission. That is not a prospect with power; that is a finisher with a system.
His route is to force connections. Osmanli needs bodies close, and once he has grips, the fight tends to be short. Against an opponent who won his way to the final on two-round decisions rather than finishes, the gap in finishing ability is the argument for the price.
Why Bet on Akylbek?
The 23-year-old from Kyrgyzstan is 10-3 and got here by winning two two-round decisions: less spectacular, but built against what the UFC itself describes as slightly better competition. He has the same number of professional fights as his housemate.
The camp is the real case. Akylbek has trained with Valentina Shevchenko and works out of the Valle Flow Academy in Chicago alongside Belal Muhammad e Ignácio Bahamondes. That is a room that produces defensively sound fighters who do not panic in bad positions, which is precisely what beats a submission specialist over three rounds.
Final Betting Analysis: Osmanli vs. Akylbek
Whoever wins becomes the youngest Ultimate Fighter winner since Kelvin Gastelum in Season 17, which is the only context that matters for two men this early in their careers.
-400 is a big number for a three-round fight between prospects with thirteen fights each. Osmanli is the more dangerous finisher and the likelier winner; he is not four-to-one better than a man from one of the best gyms in North America who has not been stopped. The house money says Osmanli. The value, if there is any, is on the underdog surviving to the scorecards.
FREE PICK: Mehemmedeli Osmanli by submission, at a smaller stake than the price tempts you into.
UFC Vegas 121: Melissa Amaya vs. Tina Black
Why Bet on Amaya?
She is 8-0 and has been the season’s Cinderella, earning stoppage wins over Anna Melisano and Gigi Canuto: both of whom have since gone on to debut in the UFC, which retroactively upgrades those results considerably.
She trains at Sikjitsu in Spokane, the gym that produced Michael Chiesa e Julianna Peña (both TUF winners) and TUF 29 finalist Brady Hiestand, who also fights on this card. An unbeaten fighter finishing opponents who turned out to be UFC-calibre is the strongest form line anyone brought into either final.
Why Bet on Black?
The 30-year-old Brazilian is 15-4 and is by a distance the more experienced half of this final. She has competed on Série Contender de Dana White and held championship gold in Invicta FC, which is a meaningfully higher level of opposition than anything on Amaya’s record.
Her run to the final also reads as the tougher one. She stopped Natalia Alves in the quarters and then took a hard-fought three-round decision over Delphine Benouaich, who has since won in the UFC in Paris. Black has been in deep water and swum out of it.
Final Betting Analysis: Amaya vs. Black
There is no reliable line on this fight. The number circulating at the offshore books was priced against a different opponent, so anyone quoting you a price here should be ignored until the books repost.
That does not stop us having an opinion. This is experience against momentum, and the records point in opposite directions: 8-0 with finishes against fighters who reached the UFC, versus 15-4 with a title in a genuine feeder promotion. Black has faced better and has the harder-earned path through the house.
We think the extra seven professional fights decide it, and that a three-round final against a durable veteran is exactly the kind of night that exposes an unbeaten record built on finishes.
FREE PICK: Tina Black by decision. No stake until a line is posted.
UFC Vegas 121: Brady Hiestand vs. Rinya Nakamura
Why Bet on Hiestand?
He is 9-2 and opened his UFC career with three straight wins, two of them come-from-behind stoppages. That is the trait worth paying for: a fighter who can lose the first half of a fight and still find a finish is a nightmare to bet against, and a nightmare to hold a lead on.
A knee injury cost him his momentum, and he has been out a long time. The Spokane-based firefighter returns healthy against a man who has also been inactive, which flattens the usual ring-rust argument. This fight was originally booked for UFC 298 in February 2024 and fell out when Hiestand was hurt. He has had a very long time to think about it.
Why Bet on Nakamura?
The Japanese bantamweight is 10-1 and won the inaugural Road to UFC bantamweight tournament by blowing through the field. He followed it with decision wins over Fernie Garcia and Carlos Vera, came out flat against Muin Gafurov at UFC 311, then rebounded with a first-round stoppage of Nathan Fletcher eight months later.
His case is that the one blemish has an explanation, and the response to it was emphatic. Nakamura is the more technically refined fighter, the better athlete, and the one whose ceiling the division actually cares about.
Final Betting Analysis: Hiestand vs. Nakamura
Two returning prospects, both limited by injury, finally sharing an Octagon two and a half years after it was first booked.
-500 is a high price on a man who has fought once in roughly two years. Nakamura is the better fighter and should win. But Hiestand’s entire UFC identity is built on coming from behind, which is the specific way a heavy favourite loses a fight he is winning, and neither man has recent competitive rounds to draw on.
FREE PICK: Rinya Nakamura to win; the live play is Hiestand at +387 as a small-stake flyer, and inside the distance is the likeliest finish.
UFC Vegas 121: Rodolfo Bellato vs. Christian Edwards
Why Bet on Bellato?
He is 13-3-1 with a no-contest and showed out at UFC 326 in March, registering a first-round stoppage of Luke Fernandez on the back of heavy ground and pound. At light heavyweight, that combination (top position plus finishing power) ends fights faster than anywhere else on the card.
His route is simple: close the distance, get on top, and work. Edwards has been outwrestled before, and Bellato does not need long once the fight hits the floor.
Por que apostar em Edwards?
No 8-5, his record is the least impressive on the main portion of these prelims, but the most recent line on it is the best argument he has. Edwards took Modestas Bukauskas the distance on short notice in May and gave him serious problems: a ranked opponent, no camp, and he was competitive throughout.
He now has a full training camp, which is the single variable that changed. A prepared Edwards is a considerably different proposition from the one who answered the phone with two weeks’ notice, and 205 is thin enough that one good performance moves a career.
Final Betting Analysis: Bellato vs. Edwards
-250 prices Bellato’s finishing ability and ignores what Edwards did on short notice. That is roughly the right emphasis (Bellato is the better fighter and the more dangerous one), but the gap is not two-and-a-half to one.
The path to an upset is clear enough: if Edwards can keep this standing for ten minutes, Bellato has historically needed the ground to win. The path to the favourite is clearer.
FREE PICK: Rodolfo Bellato by TKO.
UFC Vegas 121: Elves Brener vs. Josiah Harrell
Why Bet on Brener?
The Brazilian is 16-6 com six UFC appearances behind him: the experience edge in this fight is entirely his. He is genuinely all-action, and at lightweight a fighter who forces pace tends to drag opponents into the kind of fight they did not plan for.
His route is volume and pressure. Harrell has one Octagon appearance, and it came on short notice; Brener has been in deep with the likes of Esteban Ribovics and knows what the third round of a UFC lightweight fight feels like.
Why Bet on Harrell?
He is 11-1, and the number that matters is the one next to the loss. Harrell makes his second Octagon walk but his first on a full camp, having taken a short-notice call-up against Jacobe Smith in February.
That is a meaningful distinction and the market has priced it as one. At -200, the books are saying the version of Harrell who arrives prepared is a materially better fighter than the one who debuted. An 11-1 record built on preparation, finally given preparation, against an opponent who is 16-6 rather than 16-2, is a defensible favourite.
Final Betting Analysis: Brener vs. Harrell
This is an aggression-versus-polish fight, and the value depends on which you think survives three rounds.
Brener’s all-action approach is entertaining, and it is also why he is 16-6 rather than better. Harrell has one professional defeat. The experience argument cuts both ways here: Brener has more UFC rounds, and he has also lost more of them.
FREE PICK: Josiah Harrell by decision.
UFC Vegas 121: Montel Jackson vs. Ricky Simon
Why Bet on Jackson?
“Quik” is 15-4 and fighting to avenge the first loss of his career. Simon handed it to him, and a rematch against the only man to beat you early is the most reliable motivational setup in the sport.
Jackson has floated in and out of the rankings for years and returns on a two-fight skid, which is the case against him, but it also means the price is not built on his best form. He is the rangier, sharper striker and the fight is his if it stays at distance.
Why Bet on Simon?
He is 22-7-1 and fought Adrian Yanez to a draw last time out, which keeps him cemented in the 12-18 range at 135 that he has occupied for years. Simon’s identity is pressure wrestling and relentlessness, and he has already proved that formula works against this specific opponent.
The first fight is the whole argument. Styles make fights, and this style has already beaten Jackson once. Nothing in Jackson’s recent run (two straight defeats) suggests he has found the answer.
Final Betting Analysis: Jackson vs. Simon
-250 on a man coming off two consecutive losses, against an opponent who has already beaten him, is the strangest number on the card.
The market is pricing Jackson’s talent and Simon’s draw. We would rather price the head-to-head result and the fact that Simon is the more durable of the two. This is the clearest underdog value on the prelims.
FREE PICK: Ricky Simon at +208.
UFC Vegas 121: Norma Dumont vs. Ailin Perez
Why Bet on Dumont?
She is 13-3 and until April was riding a six-fight winning streak that made her one of the most reliable operators in the women’s bantamweight top ten. Joselyne Edwards snapped it, but a single defeat does not erase the track record that produced it.
At 35, Dumont stays a high-volume, technically clean striker with the best fundamentals in this matchup. Her route is to keep it long, out-land Perez, and win a decision the way she has won most of her recent fights.
Why Bet on Perez?
She arrives on a six-fight winning streak and is hunting a third consecutive win over a ranked opponent, beating Macy Chiasson in Mexico City in February. That is the hottest form of anyone on this card, in either direction.
Perez is the more physical fighter and the one with momentum, and she is fighting for a place in a title picture that resolves in November. The division is moving, and she is moving with it.
Final Betting Analysis: Dumont vs. Perez
This is the most consequential fight on the card, and it is buried in the prelims. Two top-ten bantamweights are fighting for positioning ahead of a championship clash in November, meaning the winner is plausibly next.
Perez at -200 reflects momentum; Dumont at +169 echoes a longer body of work. We lean toward the streak that is still running over the one that just ended, but not confidently: Dumont’s loss to Edwards was a close, competitive fight rather than an exposure, and she remains the better pure boxer.
FREE PICK: Ailin Perez by decision.
UFC Vegas 121: John Castaneda vs. Alatengheili
Why Bet on Castaneda?
No 21-8-1, he is the more accomplished fighter and the sharper striker, and the record is misleading in one specific way. In April, he lost a point in the second round against Mark Vologdin for repeated low blows, and the fight was correctly scored a majority draw as a result. Without the deduction, he wins.
That leaves the Minnesotan on a three-fight run without a victory that is not really a three-fight run without a victory. He is better than the recent line suggests, and he is fighting an opponent who has been inactive for more than a year.
Por que apostar em Alatengheili?
17-10-2 and returning from over twelve months out, having dropped a decision to Da’Mon Blackshear last time. His case is durability and awkwardness: he has been in with good bantamweights repeatedly and is very hard to finish, which, against a fighter who needs to win rounds cleanly, is a genuine obstacle.
The layoff cuts both ways. A year out is rust, but it is also a year of not absorbing damage for a fighter with twenty-nine professional bouts on the clock.
Final Betting Analysis: Castaneda vs. Alatengheili
-200 on Castaneda is the market reading the low-blow draw correctly, which is more sophisticated than these prices normally show.
Alatengheili’s path is to survive early, drag Castaneda into a scrappy phone-booth fight, and steal a round with grappling. It is plausible. It is also what he has been trying, unsuccessfully, for several fights.
FREE PICK: John Castaneda by decision.
UFC Vegas 121: Mickey Gall vs. Sedriques Dumas
Why Bet on Gall?
He returns for the first time in nearly two years, moving up to middleweight. The honest case for Gall is that he is a legitimate submission grappler who has finished people at this level before, and a long layoff for a fighter who takes damage is not automatically a negative.
His route is the only one he has ever had: get the fight to the floor and hunt the neck.
Why Bet on Dumas?
He has dropped each of his last two appearances and arrives in equally dire need of a result. Dumas is the younger, more athletic fighter with the better physical tools, and against an opponent who has not competed since 2024, that should count for a great deal.
The path is to keep it standing. Gall’s striking has never been the reason he wins fights.
Final Betting Analysis: Gall vs. Dumas
We are not going to pretend this is a good fight. It was mocked on announcement, and for reasonable cause: Gall is on a four-fight losing run with no win since submitting Jordan Williams in the summer of 2021, and Dumas has lost two in a row. Both men are fighting for employment.
-215 on a fighter with one win in five years and two years of inactivity is a price we would not touch. That is the market betting on the grappling advantage and ignoring everything else.
FREE PICK: Sedriques Dumas at +181.
UFC Vegas 121: Vanessa Demopoulos vs. Yazmin Jauregui
Why Bet on Demopoulos?
She is 11-8, 37 years old, and competing for the first time since last summer while looking to halt a three-fight slide. The case for her is scrambling and submission threat: Demopoulos is at her best in chaos, and chaos is what an opponent returning from a two-year layoff is most likely to produce.
Why Bet on Jauregui?
11-2, and the layoff is the story. The Mexican prospect has not fought since Noche UFC 306, when she opened the card at Sphere against Ketlen Souza. Two years is a long absence, but she is by some distance the more talented fighter and the more damaging striker, and at 115 her boxing should be decisive against a 37-year-old on a losing run.
Final Betting Analysis: Demopoulos vs. Jauregui
Read the odds line above carefully, because the books do not agree on who is favoured here, and the disagreement is enormous. The offshore opening odds list Demopoulos at -850. Other outlets have Jauregui as the card’s biggest favourite at around -1000, with Demopoulos the underdog. Those are not small discrepancies; they are opposite fights.
Until that resolves, there is no bet here at any price. But the fighters are not ambiguous even if the numbers are. A 37-year-old on a three-fight slide against a 27-year-old prospect with two career defeats is a matchup with an obvious direction, whatever the screen says.
FREE PICK: Yazmin Jauregui to win. No stake until the market settles.
Resumo das Escolhas Grátis
| Fight | Pick | Play? |
|---|---|---|
| Rosas Jr. vs. Barcelos | Rosas Jr. to win | Small play on Barcelos +177 / distance |
| Vieira vs. Bryczek | Bryczek | Sim |
| Osmanli vs. Akylbek | Osmanli by submission | Reduced stake |
| Amaya vs. Black | Black by decision | No line — no stake |
| Hiestand vs. Nakamura | Nakamura | Small flyer on Hiestand +387 |
| Bellato vs. Edwards | Bellato by TKO | Sim |
| Brener vs. Harrell | Harrell by decision | Sim |
| Jackson vs. Simon | Simon +208 | Best value on the card |
| Dumont vs. Perez | Perez by decision | Lean only |
| Castaneda vs. Alatengheili | Castaneda by decision | Sim |
| Gall vs. Dumas | Dumas +181 | Sim |
| Demopoulos vs. Jauregui | Jauregui to win | No stake until books agree |
Our strongest position is Ricky Simon at +208, against a man on a two-fight losing run whom Simon has already beaten.
Our strongest fade is Mickey Gall at -215: one win since 2021 and two years out of competition.
Visão geral final do cartão
This is a card built around a record. Rosas Jr. headlining at 21 is genuinely historic, and the UFC has structured the evening so that everything points at him. Whether the fight itself justifies the attention is a separate question: a five-round grappling match against a 39-year-old who does not get finished is more likely to be educational than spectacular.
The Ultimate Fighter finals are the most interesting fights on the main card. Osmanli against Akylbek pits a submission finisher against a product of one of the best gyms in North America, and Amaya against Black sets an unbeaten record against a former Invicta champion. The winner of the men’s final becomes the youngest TUF winner since Kelvin Gastelum.
And the best fight is on the prelims, as usual. Dumont versus Perez is a top-ten eliminator with a November title fight on the other side of it, and it is scheduled fourth from the bottom of the preliminary card. Two women on a combined eleven-fight run of recent form, fighting for a title shot, opening the evening.
Three cautions for anyone betting this card. The Amaya–Black line was posted against the wrong opponent. The Vieira–Bryczek and Demopoulos–Jauregui markets disagree about who the favourite is. And four of the twelve bouts involve a fighter returning from a year or more of inactivity, which is the single least predictable variable in the sport.
Bet small, bet the prelims, and treat the main event as television rather than an investment.