Crystal Palace want Barcelona goalkeeper Jasper Cillessen to replace Marseille-bound Steve Mandanda.
Marseille have agreed a fee with Crystal Palace to re-sign Mandanda, who struggled to hold down a regular starting place at Selhurst Park.
And Palace boss Frank de Boer is reportedly eyeing Cillessen to rival Wayne Hennessey for the no.1 spot.
MORE: Ex-Arsenal star wanted by Crystal Palace
Cillessen joined Barcelona in an £11.5m deal last summer, but has been restricted to cup appearances.
De Boer worked with the Netherlands international at Ajax, where the pair won three Eredivisie titles.
And the former Inter Milan boss is understood to be keen on a reunion with the 28-year-old goalkeeper.
Cillessen, who has been capped 32 times by his country, could favour a move to London in search of first-team football.
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