Stuart Lancaster says Leinster need to have saved their best until last for Saturday's Champions Cup final.
But the Blues senior coach admits today could be D-Day for Tadhg Furlong and James Lowe's hopes of making the La Rochelle showdown as they try to recover from knocks suffered in the semi-final.
Leinster will have a big training session today before taking tomorrow off and flying to Marseille on Thursday, and their doubtful Ireland stars need to show they are ready for action.
