Ulster will be without their talismanic fullback Charles Piutau for “a number of weeks” according to the club.
The Kiwi, who it’s rumoured will become rugby’s highest paid player when he joins Bristol next season, has dislocated a rib cartilage.
Piutau has made 17 appearances this season for Ulster and scored two tries.
Meanwhile flanker Sean Reidy, who had been recently been spoken about by Ireland coach Joe Schmidt, won’t be getting a Six Nations call-up because of a medial ligament knee injury. It will keep him out of action for approximately six weeks.
Ulster centre Rob Lyttle has “suffered a hamstring injury of significance” and he is expected to return to playing in 4-6 weeks.