Even though the deal on the table would see him earn a big pay rise, he is unlikely to sign a new contract with the club.
The player was approached by the team several months ago with an offer.
A £10m bid from Nice for the 23-year-old has already been rejected by the club, and they are thought to want £15m for him, even though his existing contract ends next summer. If a fee can be agreed, the strikers is interested in talking to Nice.
We reported last week that Brereton was on the radar of the club.
In the new year, BreretonDiaz is free to negotiate with other clubs.
The transfer window will close at 11pm on September 1st.
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