The goalkeeper's existing Crystal Palace deal expires in June.
Premier League survival hopefuls Crystal Palace had struck a deal to bring Getafe goalkeeper Vicente Guaita to Selhurst Park from La Liga.
Crystal Palace are expected to sign Guaita in the summer.
Guaita will move to Crystal Palace on a free transfer on 1st July.
Leeds United are linked to Emiliano Martinez.
Guaita is said to have passed a medical at Crystal Palace this week.
Crystal Palace must now decide whether to make the deal happen now or wait until the summer.
Nottingham Forest failed to lure Frederik Ronnow to the Championship in August but fellow suitors Crystal Palace now have alternative targets in mind.
Crystal Palace looked set to sign Vicente Guaita from Getafe but now appear to be looking at Serie A - a deal Newcastle United may watch with interest.
Premier League strugglers Newcastle United and Crystal Palace are both looking to La Liga for a new goalkeeper this month.