Brumbies players and team staff have been hit with a mumps outbreak, meaning many personnel will be unavailable to travel to Hamilton for the Round 4 clash against the Chiefs.
Jordan Petaia will miss the rest of the Super Rugby season with scans confirming the Wallabies' centre will need surgery on his dislocated shoulder.
Hurricanes match-winner Ben Lam will depart at the end of the Super Rugby season to take up a contract with French club Bordeaux.
Highlanders winger Sio Tomkinson has been slapped with a three-week suspension for his hit on Tom Banks, but that will be of little comfort to the Brumbies.
Agonising losses by the Brumbies and Reds over the weekend means the collective cross-conference record of the Australian teams sits at 0-6. It is not what Rugby Australia needs amid its broadcast negotiations.
The Stormers shot to the top of the South African conference with a breakthrough win on the Highveld, the Cape Town-based franchise joining the Chiefs out in front.
Venue: GIO Stadium
1:05 AM, March 15, 2020