With France on the up and Ireland deflated after their defeat to Wales, everything will have to go right for Declan Kidney's men to have a chance on Saturday night.
Ulster's Paddy Wallace has been put on standby for Ireland's clash with France after out-half Jonny Sexton complained of tweak in his thigh muscle on Friday.
The Stade de France has passed a pitch inspection conducted this afternoon in preparation for tomorrow's RBS 6 Nations showdown between France and Ireland.
"It will also be a massive test of Ireland's belief and togetherness. O'Connell's leadership and captaincy are rarely found wanting in such circumstances and the likelihood is that Ireland will produce a much improved display"