By ROB COLE

Skilful: Seb Davies

Good things: Sam Moore

JUST as his fellow Kiwi Xavier Rush did before him, Nick Williams has left a massive hole to be filled in the Cardiff Blues back row following the official announcement of his retirement last week.
The 35-year-old former Junior All Black spent four years at the Arms Park and became a real talisman at the Welsh region.
He helped them to win the European Challenge Cup in 2018 and turned into a real crowd pleaser with his big hits and powerful bursts.
The question now is who will replace him. He spent time mentorin...