Jared Payne is a doubt for Sunday's penultimate Pool D meeting with Italy.
The Ulster centre sat out training this morning with a bruised toe.
Payne's fitness will be monitored through the week, with the coaching staff hoping to pick from a full squad at the Olympic Stadium.
Rob Kearney did return to full training today.
Scrum coach Greg Feek says they'll be playing their strongest team possible from here-on-in...