He has two years remaining on his contract with a player option on the second. (sbnation.com)
Both Eriksen and Alderweireld only have one year remaining on their contract at Ajax so it was always likely that they would both leave the Dutch club this summer. (caughtoffside.com)
They note that he has just one year remaining on his contract in Istanbul, meaning that Tottenham could secure his services for a cut - price # 9million fee. (caughtoffside.com)