UFC 328: Grant Dawson vs. Mateusz Rebecki Prediction May 9

Two of the lightweight division’s most relentless fighters collide on the UFC 328 prelim card. Grant Dawson enters this bout as the market favorite at 59.5%, with Mateusz Rebecki sitting at 40.5%. The price has climbed steadily, reflecting measured confidence in Dawson heading into May 9 in Newark.

Dawson and Rebecki meet at the Prudential Center in Newark, New Jersey, on May 10, 2026 at 03:59:59 UTC cutoff. The prediction market currently prices Dawson at 59.5% and Rebecki at 40.5%, backed by $1,049 in total volume. This is a prelim lightweight fight with serious implications for the 155-pound rankings.

How the Dawson vs. Rebecki Matchup Resolves

A moneyline win here means one fighter gets their hand raised inside the Prudential Center. The market currently breaks down like this:

• Grant Dawson: 59.5% implied probability (favored)
• Mateusz Rebecki: 40.5% implied probability (underdog)

Dawson carries a 23-3-1 record into this fight. He competes out of American Top Team and has built his reputation on relentless pressure and suffocating ground control. His UFC run includes wins over Damir Ismagulov, Jared Gordon, and Carlos Diego Ferreira. He earned three Performance of the Night bonuses along the way. The caveat is real. Dawson suffered a first-round TKO loss to Manuel Torres at UFC 323 in December 2025. That result raised questions about his chin and his durability against explosive strikers.

Rebecki’s underdog path runs through his hands. The Polish knockout artist holds a 20-4 professional record and has earned three Fight of the Night bonuses in the UFC. He stopped Myktybek Orolbai, Daguir Imavov, and Loik Radzhabov during his UFC run. If Rebecki keeps this fight standing and lands his signature power shots early, Dawson’s recent TKO loss becomes a very relevant data point.

Market Signals and Form for Dawson vs. Rebecki

The momentum composite for this market trends positive. A 24-hour price gain of 1.5 percent, paired with a trend score above 16, signals steady buying pressure on the Dawson side. No dramatic spike has emerged. The movement looks organic rather than reactive.

The $9,698 in liquidity dwarfs the $318 in 24-hour volume. That ratio points to a well-capitalized market with limited recent conviction. Bettors have set their positions and are largely watching. The $1,049 in total volume reflects an early-stage market. Price movement carries more weight than volume alone at this stage.

The spread and totals lines for this fight are available as secondary data in the UI. Related markets on the card include UFC 328’s main event between Sean Strickland and Khamzat Chimaev, priced at 92% for Chimaev. That heavyweight lean on the main card does not directly affect this prelim market.

Sponsored Partner

Lines Analysis: The Case for Dawson and Rebecki

Dawson’s case rests on his grappling. He controls opponents on the mat and earns decisions through volume and positional dominance. His American Top Team training gives him access to world-class sparring. Against a striker like Rebecki, Dawson’s wrestling becomes his greatest weapon. If he secures early takedowns, Rebecki’s power game gets neutralized. The market’s 59.5% price on Dawson reflects that structural advantage.

Rebecki’s case is simpler and scarier. He hits hard. He has stopped three UFC opponents and owns the kind of first-round knockout power that changes any fight instantly. Dawson absorbed a first-round TKO just five months ago. That loss looms over this entire matchup. If Rebecki lands clean early, the Dawson blueprint breaks down fast. At 40.5%, the market is pricing in real danger for the favorite.

• Dawson’s wrestling: Primary path to victory. Controls Rebecki on the ground.
• Rebecki’s power: One clean shot can end this fight in any round.
• Dawson’s recent KO loss: December 2025 TKO raises chin questions entering May.
• Fight location: Prudential Center, Newark. Neutral setting for both fighters.
• Market stability: Price holding near 59.5% signals no major line movement expected.

The $1,049 total volume reflects a market still building ahead of fight week. As UFC 328 approaches and the Strickland-Chimaev main event draws eyeballs, prelim markets typically see late volume surges. Dawson’s price advantage is real but not overwhelming.

LINES VERDICT

Grant Dawson

Dawson’s wrestling pedigree and American Top Team sharpening give him the structural edge in this matchup. The market agrees, and the momentum backs it up.

UFC 328 Dawson vs. Rebecki FAQ

Who is favored in Dawson vs. Rebecki?

Grant Dawson is favored with a 59.5% implied probability on the prediction market. Mateusz Rebecki sits at 40.5% as the underdog heading into their May 9 lightweight bout.

What does the spread mean for this fight?

The spread reflects the margin of expected competitive difference. Secondary spread data is available in the UI strips. This article focuses on the moneyline win probability as the primary market.

What time is UFC 328?

UFC 328 takes place on May 9, 2026, at the Prudential Center in Newark, New Jersey. The Dawson-Rebecki prelim bout is expected to air before the main card begins.

What is the over/under total for this fight?

The over/under for this bout is set at 2.5 rounds. Related alternate lines at O/U 0.5 and O/U 1.5 rounds are also available in the market. See the UI data strip for current prices.

Where can I trade on this market?

This market is listed on Polymarket. The current total volume stands at $1,049, with $9,698 in available liquidity for traders looking to take a position on either fighter.

This analysis reflects conditions as of 2026-05-03. Probabilities shift as new information emerges. Lines.com does not accept bets or provide financial or gambling advice.