The final round of Super Rugby U16s will see pride on the line, with the Waratahs and Reds looking to maintain momentum heading into the final next week.
With the Western Force on the bye, the WA side cannot catch Queensland or NSW to make an maiden final.
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Starting off in Brisbane, the Reds will have a double header with the senior side playing the Panasonic Wild Knights at Ballymore, as they take on the winless Brumbies.
Then on Sunday, the Waratahs will face Victoria at La Trobe University to round out the regular season.
For the Reds, five key changes have been made in the form of Chilli Tonelli-Smith who will slot into the ten jersey after playing last week at fullback, while Xavier Hill is rotated in at hooker in the front row.
Moses Faleafa will also come into the starting front row, with Iverson Anitema taking Tonelli-Smith's fullback position and Karter Iva completing the changes in the centres.
The Brumbies have made three changes, with Daramalan schoolboy Harrison McIntyre at openside flanker, and St. Edmund’s College back Henry Farfan starting on the right wing, and Marist College’s Sam Filipovic returning at tight head prop.
All are returning from injury and will aim to finish the ACT side's season with their first win.
Victoria will be looking to cap off their year with a second win, fresh off a 31-20 victory over the Brumbies last week - but they will have a tough assignment on their hands in the current ladder leaders, the Waratahs.
The Waratahs will make six changes to their side, coming in fresh off the bye.
In the forwards, Hugo Lestrange moves from the bench to start as loosehead prop, with Talmage Lemusu and Thomas Chan joining the front row.
Hunter Hall will make his first start at number eight, while Levi Ellis takes over at scrumhalf, and Tom Longland starts on the wing.
Lastly, the side will make two positional changes, with Finn Hannon moving to fly-half and Eduardo Garcia Wood to the centres.
REDS (1-15): Moses Faleafa, Xavier Hill, Harry O’Hare, Fraser Boakes, Denver Bradford, Nate Kerin-Bird, Matti Gill, Dylan Goodwin, Tristan Cook, Chilli Tonelli-Smith, Will Robinson, James Smith, Karter Iva, Seth Chapman, Iverson Anitema
Reserves: Noah Gaffney, Jeremiah Kite, Nate Te Whitu, Henry Willis, Ryker Smith, Harry Dowling, Charlie Meredith, Sangwani Chinula
BRUMBIES (1-15): Geoff Olivetti, Levi Park, Sam Filipovic, Cooper Leslie (c), Zavier D'Arcy, Paddy Hill, Harrison McIntyre, Will Bullock, Jono Harrington, Oliver Henderson, Cayden Cross, Jesse Thorp, Laine Jud-Brettingham, Henry Farfan, William Hall
Reserves: Elliott Brown, Harry Borton, Maka Muchenagumbo, Huntah-Max Robinson, Ezra Taiatini, Tommy Connolly, Kaleb Matthews, Siliva Mataupu
VICTORIA (1-15): tbc
Reserves: tbc
WARATAHS (1-15): Hugo Lestrange, Talmage Lemusu, Thomas Chan, Marlee Thomas, Will Gencur, Jayden Richards, Cooper Williams, Hunter Hall, Levi Ellis, Finn Hannon, Ben Wright, Charlie Xuereb, Eduardo Garcia Wood, Tom Longland, Asher Chapman
Reserves: Archie Hill, Asera Peniata, Kaiasi Talaka, Rauri Basten, Cordell Arama, Izak Holmes, Ziyon Lepolo, Wilson Ruthven