Not the news Irish fans wanted to hear after the bruising defeat to England on the weekend.
This will make
Quinn Roux will most likely come into the 2nd row alongside James Ryan with Ultan Dillane coming onto the bench but who will fill the boots of Ringrose is a little more tricky.
Chris Farrell could come in at 13. Henshaw could revert back to centre allowing Kearney, Larmour or Addison to come in at full back.
There is some good news as Keith Earls trained today and should be available for selection.
More info to follow:
