By STEFFAN THOMAS

BYRON Hayward has transformed the Scarlets’ defence – and now he faces the task of stepping into the shoes of Shaun Edwards with Wales.
Hayward, right, believes Wayne Pivac will have great success as Warren Gatland’s successor.
“You can see what a team’s culture is like internally by the way they play and what they do without the ball. Defence is such an important part of the game now,” Hayward said.
“Wayne backed me to make changes at the Scarlets.
We had to make sure everybody understood our system and bought into our defensive...