Melissa Amaya vs. Valesca Machado: women's strawweight main card preview at UFC Fight Night: Rosas Jr. vs. Barcelos

The setup

Melissa Amaya (8-0-0) and Valesca Machado (15-4-0 (1 NC)) meet at women's strawweight on the main card when UFC Fight Night: Rosas Jr. vs. Barcelos arrives at Meta APEX in Las Vegas on Saturday, September 26, 2026, scheduled for three rounds.

The card carries 11 bouts in our tables, with this pairing on the main card. The bout is listed as announced in the PropBetEdge schedule.

The question this preview works through is simple: does either side bring a measurable edge, or is this a matchup the data leaves open? UFC Stats career averages are on file for Valesca Machado only, and the archive holds 0 completed UFC bouts for Melissa Amaya and 1 completed UFC bout for Valesca Machado.

Tale of the tape

• Record: Melissa Amaya 8-0-0 · Valesca Machado 15-4-0 (1 NC)
• Age: Melissa Amaya 31 · Valesca Machado 30
• Height: Melissa Amaya 5'4" · Valesca Machado 5'4"
• Reach: Melissa Amaya 64" · Valesca Machado 63"
• Stance: Melissa Amaya n/a · Valesca Machado Orthodox
• Listed weight: Melissa Amaya 115 lbs · Valesca Machado 115 lbs

Reach is close to even (64" to 63"), so neither fighter starts with a length edge and the striking exchanges begin from the same distance.

Recent form

Melissa Amaya has no completed UFC bout in the PropBetEdge archive at the time of writing. The 8-0-0 record is her official line, and her fight-by-fight history will fill in as the archive loads.

Valesca Machado has 1 completed UFC bout in the PropBetEdge archive: 0 wins and 1 loss. The loss went to the scorecards. She last fought on Oct 20, 2021 and lost to Piera Rodriguez by unanimous decision in round 3. That is 1802 days before fight night on our dates, a layoff long enough to count as a variable in its own right.

• L vs Piera Rodriguez — unanimous decision, R3 (Oct 20, 2021, Dana White's Contender Series: Season 5, Week 8)

Style and statistical matchup

Valesca Machado lands 2.4 significant strikes per minute at 32% accuracy and absorbs 2.87 with 64% striking defence. She averages 0 takedowns per 15 minutes at 0% accuracy and defends 76% of takedowns, with 0 submission attempts per 15. For Melissa Amaya, our tables carry no UFC Stats averages, so the comparison is one-sided: treat this as a description of what Machado brings, not a matchup edge. A 2.4-per-minute output is low volume, which usually means a fighter who picks moments rather than accumulates, and that shapes what a scorecard fight would look like.

Round-level UFC Stats exist for 3 archived rounds of Valesca Machado's: 36 of 110 significant strikes landed (33%), 12 per round, 0 of 0 takedowns, 1:04 of control time. That is a small sample and is offered as colour, not as a rate.

What could break the angle

Here is where the read could be wrong. Melissa Amaya has no completed UFC bout in the PropBetEdge archive, so nothing here rests on Amaya's fight-level history. Valesca Machado has only 1 archived UFC bout in the PropBetEdge database, so the form read is thin. UFC Stats striking and grappling averages are not on file for Melissa Amaya, so pace, defence and takedown rates cannot be compared both ways. Valesca Machado will have been out 1802 days by fight night on our archive dates: a long layoff the averages cannot price. There is also no odds snapshot in PropBetEdge data for this bout, so nothing above can be checked against a market yet; the read describes what to look for, not where value sits. A late weigh-in miss, a replacement or a change in scheduled rounds would each invalidate parts of it.

Final read

On the data, neither fighter carries a material edge into this one; the tape is close and the archive does not separate them. The uncertainty is mostly about coverage: no UFC Stats career averages for Melissa Amaya; archive shorter than 3 bouts for Melissa Amaya and Valesca Machado. What to monitor: the weigh-in, the scheduled-rounds confirmation, and the opening price once one exists, because no market is singled out here. No model price or market line exists in PropBetEdge data for this bout, so this is not a pick; the Bettor's Edge panel above carries the impact score and the markets connected to the evidence.

Matchup page: Melissa Amaya vs. Valesca Machado · Full card: UFC Fight Night: Rosas Jr. vs. Barcelos · Fighter pages: Melissa Amaya, Valesca Machado.