There are reports Lazio have agreed a transfer with Galatasaray for Burak Yilmaz worth €15m plus bonuses.
The negotiations have been dragging on for several weeks, but Sport Mediaset and Sport Italia claim the move will be completed on transfer deadline day.
Lazio are set to pay €15m plus performance-related bonuses and a five-year contract worth €2.9m per season.
The 28-year-old Turkey international already scored two goals and provided two assists in three Super Lig games this season.
Last term he netted 24 in 30 League appearances, plus eight in nine Champions League ties.
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