Sean O'Brien to miss summer tour as he undergoes surgery
Leo Cullen has confirmed that Sean O'Brien must undergo surgery in he UK on his troublesome hamstring injury and will hence miss Ireland's summer tour to South Africa.
The Leinster coach is uncertain when his open side will return to action.
"Sean is going to see a specialist and the likelihood I'd he will have to have surgery. It will rule him out of the summer tour.
"It is too early to say if he can make it back by the start of the season. Initially, he got injured in Ireland v France and it was a conservative approach in dealing with it.
"Other guys have been able to rehab similar injuries without surgery, others have surgery straight away.
"It was slower to heal than we would have liked but he broke down and we sought various opinions. It is frustrating but lots of players go through that in their career. He needs a plan in place to get back to the levels he wants. He is such a key figure for Ireland and Leinster.
"It is unlikely Cian will feature this season. He has had a couple of injuries and we are assessing him on a regular basis. He has had knee issues and that neck procedure last season.
"Luke Fitzgerald has returned, he has been sharp and it is great to have him back. He has had a few jury problems this season.
"We hope Rob Kearney can return if we have a final, he was close to a return this week and returned to running today."