Family ties will be put to the test at Twickenham on Sunday, as England, led by captain Owen Farrell, host Andy Farrell’s Ireland.  The father-son pairing make up one of modern rugby’s greatest family dynasties, and it’s difficult to imagine two fiercer competitors in the game.  As they prepare to go head-to-head, Farrell Snr, has admitted that the situation is ‘weird’.  “It’s weird for you guys but it’s certainly not weird for us because it’s never been any different. “It’s as professional as it gets because that’s all we’ve ever known with Owen being a professional and me being a professional coach. It’s never been any different.” It’s a dynamic which is becoming increasingly familiar to Andy Farrell, who has been involved in the Irish coaching setup as defence coach since 2016, seeking to blunt an England attack led by his son. However, since stepping up to succeed Joe Schmidt as Head Coach, he is all too aware of the increased at