It's understood the Mariners see the hard-working South Australian as an ideal addition to their midfield and will push to have the off-contract player signed as early as January.

The Gosford-based club believe the almost certain lure of finals football will help sway Perth to let Pellegrino go before season's end.

Asensio's Screamer Vs FC Barcelona
Asensio's Screamer Vs FC Barcelona
In one of Real Madrid's most outstanding performances at the Camp Nou, Los Blancos beat FC Barcelona 3-1 in the Spanish Supercup. Real were leading 2-1 after Cristiano Ronaldo's 80th minute goal, but just before the final whistle, we sealed the win with this beautiful Marco Asensio strike.
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The tenacious midfielder has been one of the better performers this season starting 15 times in a hugely disappointing Perth side which has slumped from finals contender to almost certain also-rans.

Pellegrino is a former "Most Glorious Player" award winner having won the accolade in his first season at the club.