St George Illawarra makes its season debut against Gold Coast, while Newcastle's 14-12 victory over Wests Tigers is soured by another concussion sustained by Kalyn Ponga.
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Ponga concussed in Knights win
Newcastle captain Kalyn Ponga suffered his fourth concussion in the space of 10 months as he was ruled out of his side's gutsy 14-12 win over Wests Tigers inside the opening 90 seconds.
Ponga was attempting to tackle Tigers forward Asu Kepaoa when the pair clashed heads in the opening stages at Leichhardt Oval.
The Knights five-eighth, who missed the last six weeks of the 2022 season due to repeated head knocks, lay prone before gingerly walking off.
He failed to return and the Knights' woes were not helped by the fact hooker Jayden Brailey also failed a head injury assessment and Tyson Frizell hobbled off with an ankle injury.
Prop Jacob Saifiti was also sent off for a high shot on Tigers hooker Jake Simpkin in the second half and winger Dominic Young was sin-binned for a professional foul.
But the Knights rolled up their sleeves and ground their way to victory ahead of their first home match of the season against the Dolphins next week.
While Ponga's concussion history will inevitably invite questions as to whether he can make a fist of the move to five-eighth, stand-in five-eighth Tyson Gamble filled the void admirably.
He helped set up Young for the Knights' opener and then sent Lachlan Fitzgibbon over the line after Brailey went off with concussion.
Despite all the cards being stacked in their favour, the Tigers had nothing to show for their efforts.
Kepaoa had a try chalked off for obstruction, Alex Twal was held up over the line and Brent Naden looked destined to score his side's first of the afternoon until he was taken out off the ball by Young.
The Newcastle winger was sin-binned and it was only when the Knights were down to 12 players that the Tigers got over, Kepaoa touching down in the 33rd minute.
Jackson Hastings, facing his old club for the first time, was placed on report for a high shot on Tommy Talau in the build-up to Kepaoa's try.
Frizell limped off with an ankle injury soon after the half-time break but the Knights were not just clinging on, they were taking it to a Wests Tigers side who have now lost four straight at Leichhardt Oval for the first time in their existence.
Young finished a well-executed move but their pursuit of victory was not straightforward, with Saifiti dismissed with 15 minutes left for his high shot on Simpkin.
Stefano Utoikamanu barged his way over for the Tigers to leave the home side two points short with 33 seconds left.
Luke Brooks had an attempt at a two-point field goal to tie the match but he shanked his effort wide as Newcastle came away with victory.
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