France could now finish as high as second in the Six Nations table if they topple Wales on Saturday and head coach Jacques Brunel was delighted after stitching together successive wins against Italy and England.
Ireland wouldn't have a Grand Slam shot against England next weekend if Sexton hadn't kicked a 45-meter dropped goal in the 83rd minute to beat France 15-13 in Paris in the opening round.
The result sees Ireland claim the trophy with one game to spare, setting up a showdown with England at Twickenham next weekend which could see the Irish pull off a Grand Slam for only the third time in their history.
Their forwards came up short and were outplayed by France, who arguably produced their best performance in the last 18 months to destroy England's Six Nations title hopes.
"Everyone knows the size of the challenge".
Jones revealed that number eight Nathan Hughes is "unlikely" to be available for the climax to the Six Nations against Ireland at Twickenham on Saturday.
Scotland upended England last time out but that was at Murrayfield.
Scotland are here to play.
Two wayward Peter Horne passes cost Scotland dear, the first forcing Blair Kinghorn to dive to retrieve, when if accurate could have let the full debutant fly into the corner. It was great to get a bonus-point today. However, the throw-in wasn't caught.
The Scots took an early lead thanks to a Greig Laidlaw penalty with Ireland struggling to get any reward for their territory and possession.
Ireland win the 6 Nations after England lose to France
Ireland made a few errors themselves, yet Scotland's were more costly. An attack from deep saw a Jones chip and catch and Hogg inside him with only the posts ahead. A nice flick-on by center Garry Ringrose, playing only his second match this year, freed fullback Rob Kearney.
It was the Tricolors' first win over England in four years in the championship, and a welcome respite.
Scrumhalf Conor Murray wriggled over early in the second half to widen Ireland's advantage, but it was replacement Sean Cronin's try in the 68th minute that could prove a title victor. Sexton's conversion pushed Ireland into a 21-3 advantage.
But Scotland didn't think it was over.
Heeding their latest reprieve, Ireland stole a Scotland lineout to storm clear.
Ireland went all out for the fourth try.
Captain John Barclay, downbeat and frustrated, chimed in with Townsend's long-term view that Scotland are a building side.
Sexton converted, and Irish fans started singing. Murray shaped to go one way, went the other and, although Scotland got bodies back, he still found a way through.
"It's just a tough period for us at the moment".
"Because of this team and how competitive we are, we always want a bit more", Best told RTÉ Sport.
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