The Stamford Bridge club are aware of the Serie A club's interest in the defender and are considering letting him leave.
The 28-year-old Portugal international who cost Chelsea £16.2million in 2008 - is out of contract in the summer.
Cut-price deal: Bosingwa (left)
Milan want to use the fact he only has six months left on his existing deal to land Bosingwa - whose career at Chelsea has been blighted by injury - on the cheap and Chelsea will consider selling now rather than lose him for nothing.
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