The Ivorian forward is highly rated after scoring 31 goals in 30 games last season for the Dutch side.
Chelsea and Newcastle are among the other teams interested in a player who seems likely to be in the Premier League next season.
What is your opinion? Feel free to discuss the article under. You have to comment by using your Facebook profile. Be fair and have respect for other people and opinions!
Since Guus Hiddink arrived at the helm, Chelsea have improved considerably after a tricky start to the campaign.
Newcastle United are staring down the barrel of relegation to the Championship for the second time in the past eight years.