Leinster are in Heineken Cup action this afternoon, as they bid to make it a 100 per cent win record for the Irish sides this weekend.
They face a tough trip to France today to face Top 14 champions Castres.
Matt O’Connor has made 3 changes from the team that lost to Northampton in December, with Jimmy Gopperth starting at out half.
Kick off in Castres is at 12.45pm.
At the same time in Pool 1, second placed Northampton Saints are away to the Ospreys.