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Read Article Brisbane Broncos vs. St George Illawarra Dragons prediction: Broncos favored to win Sunday's NRL Round 13 matchup [5/31/2026]
Updated: | First published:
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Written by Damien Souness, Chief Experience Officer
Get Brisbane Broncos vs St George Illawarra Dragons predictions for NRL Sunday.
NRL action continues on Sunday at 12:00 AM ET as the St George Illawarra Dragons square off with the Brisbane Broncos at Suncorp Stadium.
Based on updated simulation results, Dimers' proven NRL model projects the Broncos as the most likely winner of the Dragons vs. Broncos game.
This article offers a closer look at Sunday's matchup, including best bets and picks.
Broncos vs. Dragons prediction: Who will win Round 13 game?
Using innovative machine learning and data analysis, we have simulated the result of Sunday's NRL matchup between the Dragons and Broncos, forming part of our NRL predictions coverage.
Our famous predictive model gives the Broncos an 82% chance of beating the Dragons.
According to our model, the Dragons (+19.5) have a 60% chance of covering the spread, while the over/under total of 55.5 points has a 61% chance of staying under.
St George vs. Broncos odds
We have sourced the best NRL odds in America for this game, which are listed here:
| Bet Type | Dragons | Broncos |
|---|---|---|
| H2H (Moneyline) | +510 | -833 |
| Line (Spread) | +19.5 (-105) | -19.5 (-120) |
| Total | o55.5 (-115) | u55.5 (-115) |
All odds are correct at the time of publication and are subject to change.
Dragons vs. Broncos picks and best bet
After matching our probabilities against the best available odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Spread | Dragons +19.5 | -105 |
| Moneyline | Dragons | bet_rivers_in+510 |
| Total | Under 55.5 | -115 |
According to our NRL best bets, the top play to make on this game is Under 55.5 total points.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Broncos vs. Dragons game-day updates and essential details
Sunday's Australian rugby league matchup between the Broncos and Dragons at Suncorp Stadium is scheduled to commence at 12:00 AM ET.
- Who: St George Illawarra Dragons vs. Brisbane Broncos
- Date: Sunday, May 31, 2026
- Time: 12:00 AM ET/9:00PM PT
- Venue: Suncorp Stadium
The NRL is available to bet on in the US through all major sportsbooks, with there even being games played in Vegas each season as of 2024.
Conclusion
We predict the Broncos, with an 82% win probability, will likely beat the Dragons in Sunday's NRL matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
Damien Souness is Chief Experience Officer at Cipher Sports Technology Group, helping lead sports media brands such as Dimers. He specializes in creating trustworthy and data-driven content for sports fans, with experience working for globally recognized sports and media organizations.
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