The NSW Waratahs have confirmed that five players set to depart the club at the end of 2025.
Friday night's match against the Crusaders will mark the last chance home fans will get to see Rob Leota, Langi Gleeson, Julian Heaven, Mahe Vailanu and Felex Kalapu in sky blue.
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McKellar has kept a settled squad, with the main change coming as a result of Joseph-Aukuso Suaalii's fractured jaw.
Darby Lancaster has been elevated from the bench to the wing, pushing Andrew Kellaway back to fullback.
“Minimal change … Obviously, is Darby is in and Kells goes back to fullback,” McKellar said. “But we’ve generally gone for consistency in selection."
Tane Edmed and Fergus Lee-Warner will play their 50th Super Rugby games with McKellar also noting positives from last week's defeat to Queensland.
“There were a lot of things we did well last week. I thought our work around the collision was excellent, especially in defence,” McKellar said.
“But we spent too much time defending. That came down to our inability to execute and get our lineout functioning to the level it was early in the year.
“Off the back of that, we can build momentum and pressure with the ball in hand.”
They will face a Crusaders side without Will Jordan (knee), Scott Barrett (hand), Fletcher Newell (Achilles) and Codie Taylor (rest).
WARATAHS (1-15): Angus Bell, Dave Porecki, Daniel Botha, Fergus Lee-Warner, Miles Amatosero, Rob Leota, Charlie Gamble, Langi Gleeson, Jake Gordon (c), Tane Edmed, Darby Lancaster, Joey Walton, Henry O'Donnell, Triston Reilly, Andrew Kellaway
Replacements: Mahe Vailanu, Tom Lambert, Taniela Tupou, Ben Grant, Hugh Sinclair, Teddy Wilson, Jack Bowen, Lalakai Foketi