Everton boss Ronald Koeman has reportedly made Davy Klaassen one of his top transfer targets.
Tottenham Hotspur are reportedly the favourites to sign Everton playmaker Ross Barkley, but perhaps a move for one of the Toffees' targets makes more sense.
HITC Sport takes a look at three players from the Dutch Eredivisie which Celtic could pursue this summer.
The Dutch maestro spent three years in North London under Arsene Wenger between 1997 and 2000.
Ex-Liverpool midfielder Ryan Babel has hit out at former club Liverpool, claiming he was coached badly.
The former Ajax star caught the eye for Boro against West Ham on Saturday.
The Toffees remain keen on Ajax goalkeeper Jasper Cillessen despite sacking Roberto Martinez last month, a report claims.
They face competition from AC Milan for his services.
Everton and Southampton are all also said to be tracking highly-rated attacking midfielder Abdelhak Nouri.
Ronny Deila has plans for Celtic's transfer policy - and he aims to emulate Ajax.