Several Potters stars have been linked with departures as the club prepare for life in the Championship under new boss Gary Rowett.
Stoke are doing all they can to hold onto the 27-year-old, but may well lose another player before their Championship challenge begins.
Premiership newbies Wolves are also interested in the midfielder and Everton are keen to move quickly in order to provide Idrissa Gueye with a midfield partner.
The pair are international team-mates so the move would seem a good fit for Ndiaye.
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