Fanatik says there's confidence the Egypt international will be put up for sale by Villa once their relegation is confirmed.
Gala coach Fati Terim is a fan of Trezeguet, having followed his exploits with Kasimpasa and has approved the move.
The Turkish giants aim to reach an agreement with the midfielder's agents ahead of opening talks with Villa about a fee.
For his part, Trezeguet isn't expected to take much persuading should Villa be relegated.
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