The Roosters will lose around 900 games and eight premierships worth of first-grade experience when they farewell Jared Waerea-Hargreaves, Joey Manu, Joseph-Aukuso Suaalii, Luke Keary and Sitili Tupouniua this summer.
36-year-old centre Michael Jennings, the NRL's oldest player, and third-string hooker Zach Dockar-Clay could join that list given neither holds a contract for 2025.
The changes will force the Tricolours to nominate two new first-choice centres, bank on Sandon Smith as Sam Walker's full-time halves partner and find a new forward pack leader as the influential Waerea-Hargreaves heads to England.
But their ability to contend with on-field reconfigurations will be under the microscope even before then as Walker and Brandon Smith miss the play-offs, starting with Friday's qualifying final against Penrith.
The Roosters were hot-and-cold beating lowly South Sydney in their first game without the injured pair and Victor Radley, sidelined with a shoulder issue.
James Tedesco scoots away from Rabbitohs defenders during their final regular-season clash. (Dan Himbrechts/AAP PHOTOS)
"'Rads' is still confident that he can be back during the finals some time, we've just got to see how it's healing," said Roosters captain Tedesco.
"The other two boys are doing it tough but they're still in good spirits so that's good."
The Roosters have made finals in 11 of the last 12 seasons and Tedesco is adamant that even after Keary and co. left, their premiership window would not close.
"No, not at all," he said laughing.
"(The window) is closing on their time at the Roosters and we want to make the most of that for those guys leaving."
It nevertheless feels like the end of an era for Tedesco, who played alongside the departing Keary, Waerea-Hargreaves and Manu in the Roosters' 2018 and 2019 premiership seasons.
Mark Nawaqanitawase's stunning NRL debut against Souths will have assured the Roosters the ex-Wallaby can become a bonafide starter in the backline next year, while Sandon Smith has the chance to prove himself as an NRL-calibre half replacing Walker this finals series.
Mark Nawaqanitawase dives over for his first NRL try. (Dan Himbrechts/AAP PHOTOS)
Nevertheless, Tedesco admitted it would be difficult for the Roosters to replace their outgoing brigade.
"The guys that are leaving at the end of the year are so big for our club, have been legends of our club now for a number of years now. It is sad to see a lot of those guys go," he said.
"You can't just replace guys like that but we've talked about that amongst ourselves and at the club that this is a great opportunity for us.
"We won't be able to play with these guys again (after finals).
"We won't leave any stone unturned, just go all in at training and away from training and make sure we're as prepared as we can for Friday."
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