An enthralling contest awaits as these two team vie for a place in the semi-finals.
kick-off in Canberra is at 11h40 SA time.
Brumbies: 15 Jesse Mogg, 14 Henry Speight, 13 Tevita Kuridrani, 12 Christian Lealiifano, 11 Robbie Coleman, 10 Matt Toomua, 9 Nic White, 8 Ben Mowen (captain), 7 Jarrad Butler, 6 Scott Fardy, 5 Leon Power, 4 Sam Carter, 3 Ben Alexander, 2 Josh Mann-Rea, 1 Scott Sio.
Replacements: 16 Ruaidhri Murphy, 17 Ruan Smith, 18 Allan Alaalatoa, 19 Fotu Auelua, 20 Tom McVerry, 21 Michael Dowsett, 22 Joe Tomane, 23 Pat McCabe.
Chiefs: 15 Dwayne Sweeney, 14 Asaeli Tikoirotuma, 13 Tim Nanai-Williams, 12 Bundee Aki, 11 James Lowe, 10 Aaron Cruden (captain), 9 Tawera Kerr-Barlow, 8 Liam Squire, 7 Tanerau Latimer, 6 Liam Messam, 5 Brodie Retallick, 4 Mike Fitzgerald, 3 Ben Tameifuna, 2 Mahonri Schwalger, 1 Jamie Mackintosh.
Replacements: 16 Nathan Harris, 17 Pauliasi Manu, 18 Nick Barrett, 19 Matt Symons, 20 Tevita Koloamatangi, 21 Augustine Pulu, 22 Gareth Anscombe, 23 Tom Marshall.

7 – 3 Brumbies
Nanai-Williams yellow carded
1st try by White 2nd by Coleman
14 – 3
10mins
Note why the Brumbies are looking so good today…keeping the ball. And mixing it up. Early days though
Mogg try and a penalty
22 – 3
30min
Chiefs try Aki
22 – 10
37min
Halftime 22 – 10
Penalties
25 – 13
44mins
Speight yellow carded
Kerr-Barlow try
25 – 20
51mins
Nanai-Williams try
25 each
57mins
Brumbies going for the corner instead of 3 points
It pays off, Butler try
32 – 25
62mins
About 8mins left
Anscombe try, conversion missed
32 – 30
76mins
Bye bye Chiefs
FULLTIME
Brumbies 32 – 30 Chiefs
Close game! Bad kicking game almost costing the Brumbies. Take note Sharks!
Good scrum
13 -10