Dolphins vs Sydney Roosters: Five-game streak jumps off the page — our tips

Finals Week 3 is here, and Suncorp Stadium is set for a massive Friday night showdown on Fri, 25 Sept, at 7:50 pm AEST. The Dolphins square off against the Sydney Roosters with a spot in the grand final on the line.

When looking for the best nrl predictions, the numbers jumping off the page tell a compelling story. The Dolphins roll into this clash on a five-game winning streak, while the Roosters arrive fresh off a high-scoring victory last week.

Who Will Win? Head to Head Breakdown

The Dolphins finished the regular season in 3rd spot on the ladder with 17 wins and 7 losses, while the Roosters sit right behind in 4th with 16 wins and 8 losses. Over their last five overall, the Dolphins have been flawless, recording five consecutive victories. Their most recent start produced a 26–16 win against the New Zealand Warriors on Sat, 12 Sept. Across that five-game span, the Dolphins averaged 26.4 points for and allowed just 12.8 points against, boasting an average winning margin of 13.6 points.

The Roosters come off a dominant 46–10 win over the Cronulla Sharks on Sat, 19 Sept, which snapped a three-game losing streak. However, head-to-head history gives a big tick to the home side. The Dolphins swept both meetings between these clubs in 2026, winning 26–12 in August and 48–10 back in June.

In the head-to-head market, the Dolphins sit at 1.71 after opening at 1.68 (1.68→1.71 (drifted)), while the Sydney Roosters have firmed from 2.20 into 2.04 (2.2→2.04 (firmed)). Given their outstanding form and head-to-head record against this opponent, the Dolphins rate a real chance to get the job done.

Line Analysis: Covering the Spread

The main line market lists the home spread at -2.5 points. That means the Dolphins lay 2.5 points, while the Sydney Roosters get a +2.5 start.

The Dolphins' defence has been sturdy over their last five overall games, giving up an average of just 12.8 points per contest. Conversely, the Roosters have conceded 31 points per game across their last five overall sample.

With an average winning margin of 13.6 points during their five-game winning run, the Dolphins have consistently cleared small margins. Combined with a 14-0-4 record in night kickoffs, the home side backing up their form line looks like a strong angle.