Manchester City striker John Guidetti is keen to join Sporting CP.
Currently on-loan at Celtic, the Swede comes off contract at City next month.
Sporting are in Bosman talks with Guidetti and regarded ahead of rivals Feyenoord for his signature.
Record says Guidetti has informed Celtic teammates he wants to move to Lisbon and keen to see the deal done.
Sporting hope to tempt Guidetti with a lucrative signing-on bonus.