Ireland look certain to be without Iain Henderson for their meeting with New Zealand in Chicago on Saturday week. The flanker-cum-lock picked up a shoulder problem in Ulster's Champions Cup win over Exeter last Saturday and it is expected he will need between two and four weeks to recover.
While Ulster play Edinburgh on Friday week, they have no game for the following fortnight meaning Henderson could be without an opportunity to prove his fitness for the rest of Ireland's November fixtures which include meetings with Canada and Australia in Dublin as well as a second crack at the All Blacks, this time on home soil.
"Sometimes you say two to four and you get held to it but we have to see how it responds in the first week," revealed Ulster Director of Rugby Les Kiss.
Ireland will find out today if they will be without Keith Earls for any of the series following his weekend red card but Leinster say Johnny Sexton is fit.