Wales’s Shaun Edwards sets out case for defence and backs Sam Burgess to thrive

• Defence coach says Uruguay should not be underestimated• Wales focusing hard on defence for England World Cup showdownShaun Edwards believes Sam Burgess has already proved himself in rugby union and said Wales have been working hard on their defence ahead of their group stage encounter with England at Twickenham. “Sam has been improving considerably,” said the Wales defence coach who, like Burgess, made his name in rugby league before switching codes to coach at Wasps.“It is massive for any player to change sport, but he has also made the transition from a forward to a back, which has made i…