South Sydney coach Anthony Seibold wants his players to keep opposing fullback Kalyn Ponga "in a foam box" in Friday night's NRL road clash with Newcastle.
The only problem for Seibold and his men? The last seven teams the Knights have faced this year have tried to do the same thing and failed.
Ponga has been the breakout star of 2018, leading the Knights for linebreaks, linebreak assists, try-assists, run metres and tackle busts.
The 20-year-old's importance has taken on a great level in the past fortnight, after halfback Mitchell Pearce was ruled out for up to 16 weeks with a pectoral injury.
His response, to set up the match-winning try against Manly last weekend.
"It's obviously been challenging for the first eight games, because I think he's had 68 tackle breaks in eight games, which is phenomenal," Seibold said.
"I think the closest person to him is 43 tackle breaks and that's (Sydney Roosters fullback James) Tedesco.
"It shows how much of an influence he has had on the team.
"It's going to be important for us to put him in the foam box and don't give him too much space."
Seibold knows good talent when he sees it.
He's the man credited with developing the next generation of Melbourne Storm talent in his time there as an assistant, including Cameron Munster and Tim Glasby.
Seibold also played a significant role significant role in Queensland's junior ranks, coaching underage sides before becoming an assistant to the State of Origin team in 2016.
And he has no doubt Ponga will step into that environment.
"He could be anything in the game. He has shown potential, everyone has known about him since he was 14 or 15," Seibold said.
"I think sometimes when there is a lot of hype around a kid at that age they don't go on because of the pressure.
"He is delivering on his potential.
"You would think he will represent at some stage, if not this year certainly in the next 24 months for sure."
Seibold said he could only turn to centre - and Newcastle's former star back - Dane Gagai for limited advice this week as he lines up against his former club for the first time.
"They're a brand new side this year, so he hasn't been in and around the current group," Seibold said.
"The only thing that he's shared with us coaches is some trends with their individuals."
STATS THAT MATTER
* Souths have won the past eight games against Newcastle.
* The Rabbitohs have outscored the Knights 285-90 in their past eight meetings.
* Newcastle's five wins this year have been by six points or less, while their losses have been by 18 or more.