Leinster captain Sexton ruled out for Northampton visit to Dublin

Jonathan Sexton has been ruled out of Leinster's Heineken Champions Cup meeting with Northampton Saints this weekend but the full extent of his knee injury has yet to be determined.
The Ireland out-half suffered the injury during Leinster's impressive defeat of the Saints in Franklin's Gardens on Saturday and a missive from the province on Monday morning said that he will see a specialist today for further assessment and another scan.