England’s Kyle Sinckler hits self-control switch to frustrate the baiters

Prop forward belies hothead reputation by ignoring Australia’s goading to play a key role in World Cup quarter-final victoryWhen Warren Gatland said Kyle Sinckler had “a few demons to deal with” after Wales’s Six Nations victory over England in February he was no doubt smiling inside. His plan had worked, because although Sinckler had played for an hour like a man possessed he ultimately lost his cool, as Gatland had predicted, having described the England prop as an “emotional time-bomb” beforehand.Eight months on and the enduring image is Sinckler’s smile. It started even before he had splas…