Coach Lawrie McKinna is still looking for a defender and an attacking midfielder ahead of the A-League campaign and both players have already been given run outs in previous trial games for the Mariners.

Bojic, who has experience in England with Northampton Town, is currently with NSW Premier League side Sutherland Sharks while Lagana has been playing his football with Oakleigh in the Victorian Premier League.

McKinna told au.fourfourtwo.com: "We're going to give them another chance against the Jets and then we'll see."

The Gosford boss has also confirmed that Nik Mrdja will be included in the Mariners squad for the match against Newcastle in Canberra.

He said: "Nik will be on the bench and we're hoping to give him 15 minutes or so.

"We'll build him up slowly but to have a fit again Nik Mrdja will be to give us a very good new player.

"He's had a very difficult time but he's always found a way to smile and laugh. I think he's had to, just to keep his sanity."

The club's link with Sheffield United will not yield any players from England for the new season.

But McKinna said: "Kevin Blackwell (United boss) and his staff have been very good and they are going to use their contacts to look at players elsewhere who are out of contract and could be of interest to us."