Jonny May scored a pair of first-half tries as reigning champions England cashed in on two moments of brilliance before defending superbly to beat Wales 12-6 in the Six Nations at a rainswept Twickenham on Saturday.
While Sam Underhill's tackle on Williams to deny Wales of their first try in the 61st minute was superb, an extra yard of pace or some added urgency to Williams' attempted finish would have completely turned the game around.
Wales' 34-7 victory over Scotland rightly turned heads as the home side showcased plenty of running rugby.
There are two changes to the starting XV.
Across the park, regional partnerships and combinations are being transferred onto the worldwide stage and trusted to flourish in the Test arena, with Alun Wyn Jones providing the leadership from the engine room. However, as numerous team are inexperienced and France are now ranked third in the world, Scotland will need the home support as they play at Scotstoun for the first time in the Six Nations.
Owen Farrell and Halfpenny traded penalties in the third quarter before Farrell cut the deficit to two points (16-14) with less than 10 minutes remaining.
The 24-year-old has been the focus a great deal of attention this week.
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It should have come as no surprise that England looked to put pressure on Rhys Patchell - and late addition Gareth Anscombe - in the opening stages given what had been said during the week. They would add a second-half three-pointer, while England would not score another point before the end of a brutal Test match. The Saracens man scooped up the loose ball and played a kick-through befitting of the Nou Camp rather than Twickenham to free May who went over with aplomb. But ultimately as players that kind of stuff goes on outside the tent. That's exactly what Jones has done by questioning whether he has the bottle to cope with the expectation on his shoulders. He's got to find guys around him to help him because he's going to be under some heat.
"It's been brilliant and one hell of a journey and I want to get 78 more if I can because I love playing for England". Irrelevant of how much experience you have or haven't got, those questions are going to be asked.
We have spoken this week about being clinical and taking our chances and having to step up from last week to improve again this week.
England (15-1): M Brown; A Watson, J Joseph, O Farrell, J May; G Ford, D Care; S Simmonds, C Robshaw, C Lawes; M Itoje, J Launchbury; D Cole, D Hartley (capt), M Vunipola.
But thanks to Eddie Jones' cutting criticism of the Welsh second string - thanks to the loss of five starting British and Irish Lions - particularly of fly-half Rhys Patchell, a fresh sting of animosity had been introduced into the contest.
Only winger George North, who was left out because of injury doubts but proved his fitness with a try for his club Northampton Saints at the weekend, comes onto the bench, displacing Owen Watkin.