By STEFFAN THOMAS

Potential: Willgriff John

WAYNE Pivac is set to turn to Sale Sharks prop Willgriff John in a bid to strengthen Wales’ scrum.
The 26-year-old former Wales U20s tight-head took an unconventional route to the Premiership having featured for Northland in New Zealand and Doncaster Knights in the Championship after being released by the Cardiff Blues.
Wales, who were knocked out of the World Cup in the semi-final by South Africa, have relied heavily on the scrummaging prowess of Tomas Francis with Dillon Lewis, Samson Lee and Leon Brown also options to wear the number t...