The midfielder's transfer to the Istanbul giant seemed to have fallen through, but it is now back on after both clubs successfully resumed talks earlier in the week.
The 29-year-old already spent the 2011-12 campaign on loan with the Turkish champion, and the club is keen to make his stay at the club permanent.
However, a deal looked to have collapsed after Gala failed to agree terms with the Juve over a fee, but the team has refused to give up on Melo's signature.
Juventus is ready to cash in on the Brazil international this summer, but wants to receive a transfer fee close to 8 million euros for the former Fiorentina star.
Galatasaray has since re-opened negotiations with the Serie A champion and, while there is no agreement just yet, the club is hopeful of wrapping up a deal by the end of the week.
Spartak Moscow has also shown an interest in signing Melo, but the midfielder has no intention to move to Russia as he has his heart set on a return to Istanbul.
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