The data gives Sydney a 72% chance. The history says Brisbane can win in Sydney by a whisker. The Broncos get back Walsh and Carrigan. And seven of the last nine meetings have gone under 51.5 points. Here’s everything you need to know before tonight.
The computers love the Roosters tonight. A 72% win probability from Dimers’ advanced model — built on machine learning and data simulation — makes Sydney clear favourites at Allianz Stadium. Home ground. Four-game winning streak. 167 points scored in their last month of football. An unchanged squad for the fourth consecutive week. The model is saying: Roosters win.
But here is what the headline number doesn’t tell you. The same data that gives the Roosters a 72% win probability also predicts this will be a grinding, defensive, low-scoring contest. The model gives a 61% chance of the total points staying under 52.5. Seven of the last nine meetings between these clubs have gone under 51.5 points. The Broncos have conceded just 18.2 points per game over their last five games. This is not set up to be another 62-16 demolition.
This is set up to be exactly the kind of tight, physical, quality-over-quantity match that the Roosters haven’t been tested by all season.

Two battles define this match. The first is the one everyone is watching: Sam Walker vs Reece Walsh. Walker chasing Origin selection. Walsh returning from injury desperate to prove his fitness and remind everyone why he is the most dangerous fullback in the competition. Both players are watched closely by Billy Slater for their respective Origin sides. This is as high-stakes as a regular season individual contest gets.
The second is less glamorous but equally decisive: the forward battle. Pat Carrigan’s return from suspension brings instant punch to a pack also featuring Xavier Willison and Ben Talty. Victor Radley and Lindsay Collins for the Roosters against Carrigan, Haas and Talty for the Broncos — 80 minutes of brutal middle-thirds football that will determine which halves combination gets the platform to perform.
“Both the Roosters and Broncos have won five of their last six games — but the Broncos have developed a steely underbelly, with Michael Maguire putting an emphasis on defence.”
— bets.com.au pre-match analysis, May 2026
The Roosters win. Home ground, form, and the Walker-DCE combination clicking at the right time give them the edge. But this will not be comfortable, and it will not be 62-16. Expect a grinding contest in the 20-26 points range for the Roosters. Broncos to push deep into the final quarter before the class of Tedesco and Walker proves decisive.
The moment to watch: when the Broncos’ Walsh gets the ball in open space against Tedesco in the second half. That contest — two of the competition’s best fullbacks going head to head with the game in the balance — will define the match. And quite possibly Origin selections.
The models say 72%. The history says it’ll be tight. The returning stars say Brisbane are more dangerous than their 8th-place ladder position suggests. And Sam Walker says — through his football, not his words — that he belongs on the biggest stage the NRL offers. Tonight at Allianz, we find out if he’s right.







