The stakes couldn't have been higher for Ireland's bi-annual visit to Twickenham to face England today.
On St Patrick's Day, of all days, the men from the Emerald Isle were seeking a grand slam, having secured the Six Nations crown with victory over 28-8 Scotland a week ago.
And it was ironic that they had the chance to do it against the team who they denied the same feat for 12 months ago in Dublin.
Ireland became the first team to beat Eddie Jones' England with a 13-9 victory, and they took great pleasure in stopping the Red Rose from a second-consecutive grand slam.
It's been a dismal campaign so far for Jones' men, losing consecutive games for the first time during his reign against Scotland and France to turn this final showdown into a customary appearance for the hosts.
However, they did have their own reputation to protect, having gone unbeaten at the Home of Rugby since the disastrous 2015 World Cup campaign.
And they made a similarly smart start against the Irish, conceding a try in just over five minutes to Garry Ringrose.
It was marred in controversy though, as you can see in the video below.
Jonny Sexton's swirling high kick caused Anthony Watson all kinds of problems, and when he failed to control it under a challenge from Rob Kearney, Ringrose was on hand to touch the ball down, confirmed after a TMO review.
But England fans and players were furious that the try was awarded, citing a clear knock on from Kearney when he challenged Watson.
It certainly appeared a questionable challenge and knock on by Kearney, but the officials failed to spot it and gave the try.
Things then went from bad to worse for the hosts, with CJ Stander and Jacob Stockdale crossing either side of Elliot Daly's response to give them a 21-5 lead at the break.
The last few weeks have certainly been chastening for Jones and England after two years of sheer dominance.
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