Having met with a specialist, it has been confirmed that Munster flanker Conor Oliver will undergo surgery this week for the shoulder injury he sustained in pre-season.
The Dubliner scored four tries in the last campaign during his breakthrough season with Munster.
There was better news for Robin Copeland (shoulder) and Kevin O’Byrne (groin), both of whom will return to full training this week.
Gerbrandt Grobler is to undergo a scan for the knock he received to his ankle, while try scorer Tommy O’Donnell is following the return-to-play protocols, following on from Thursday’s pre-season win over Worcester Warriors.
JJ Hanrahan (shoulder), Sam Arnold (calf), Duncan Casey (groin), Ronan O’Mahony (fibula), Dave O’Callaghan (knee) and Darren O’Shea (shoulder) continue to follow their respective programmes.
Director of rugby Rassie Erasmus will name his team to face Benetton Rugby at midday on Thursday, ahead of the season opener on Friday.