Trabzonspor goalkeeper Ugurcan Cakir is a target for Manchester United, Sheffield United, Everton and Southampton according to reports in Turkey.
Cakir, 23, has been linked with Liverpool previously, with the Reds apparently seeingg an offer worth €15m rejected.
Now Fotospor report that Sheffield United have now had a €13m bid rejected as they look for an alternative to Dean Henderson.
The Blades are unsure whether they will be able to keep Man Utd loanee for another season after a superb season so far.
Turkish-football report that Sheffield United manager Wilder was in Turkey last weekend and watched the Intercontinental derby between Fenerbahce and Galatasaray.
The same source claim Trabzonspor ideally want €30m for Cakir but would consider all offers above €20m.
United are among seven clubs who have requested accreditation for their scouting teams and club officials to attend the Trabzonspor clash against Rizespor today.