Leinster have been handed a huge boost ahead of the upcoming Champions Cup clash against Saracens.
Leo Cullen's side were boosted by the news that Sean O'Brien is fit to start for tomorrow night's game against Scarlets in the Pro14.
The Carlow native will captain the side on what will be his 115th appearence for the province.
O'Brien hasn't played since picking up a hip injury in the game against Exeter Chiefs back in December.
The team in full is as follows: