Piorkowski, 24, the former Victory defender, has penned a lucrative deal at Skilled Park and will join Griffiths at the centre of the United defence.

Meanwhile, Wellington Phoenix reject LeiLei Gao is being looked at seriously by Perth Glory and the Chinese attacker could find himself back in the A-League after parting company this week with the New Zealand franchise.

And Sydney FC youngster Chris Triantis continues to create interest. The 21-year-old has starred in the sky blues youth team but given the players in his position in the first team, may be tempted away next season.

Central Coast and Gold Coast are two clubs said to be looking at the former Sydney Olympic midfielder.