The Newcastle Knights have offered superstar fullback Kalyn Ponga a contract extension to remain in the Hunter until the end of 2023.

Newcastle chairman Phil Gardner told Fox Sports the Knights have tabled Ponga an upgrade and extension for the next four seasons.

Ponga, 21, is widely regarded as one of the hottest emerging talents in the NRL, scoring 17 tries in 40 NRL appearances for the Knights in the last two years.

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“From our perspective we’d like to get it done as soon as possible but we certainly won’t be rushing the Ponga family,” Knights chairman Gardner said.

“We’ve got a great relationship with KP’s family and they’ve got a great relationship with the club.

“We’ve had some very good, open dialogue so far and we’re hopeful we can get something sorted in the next couple of months.”

Kalyn Ponga has been tabled an extension. (AAP Image/Darren Pateman) Source: AAP

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Ponga is currently contracted until the end of 2021 with an option in his favour to play with the Knights in 2022.

But Gardner wants to ensure the Queensland Origin rookie remains at the Knights for at least the next four seasons.

Ponga dumped his manager at the end of last season and now has his father Andre taking care of his negotiations.

New Newcastle coach Adam O’Brien has won rave reviews from the Knights playing roster to date with the club set to play a trial match against St George Illawarra in Maitland on Saturday night.

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The Knights are also having a crack at signing St George Illawarra, NSW and Kangaroos backrower Tyson Frizell for 2021.

As revealed by Fox Sports, the Knights intend to table Frizell a three-year contract with the representative star set to meet with the club in Newcastle next week.