Ben Moxham suffered an injury to his left knee in Saturday's game against Edinburgh Rugby. He has had an MRI scan to ascertain the extent of this injury.
Will Addison sustained a concussion in the same game and will now follow the World Rugby return to play protocol.
Rob Herring, Michael Lowry, Iain Henderson, and Jake Flannery have all now resumed team training following their respective recent injuries and their fitness for selection for this week's game will be monitored during training in the coming days.