Manchester City boss Roberto Mancini was in Holland on Sunday.
Mancini visited the KNVB Beker final between Ajax and Twente on Sunday to take a close look at defender Jan Vertonghen.
Ajax coach Frank de Boer told De Telegraaf: "[Assistant coach] Danny Blind told me that Mancini was at the stadium and I know that Manchester City are interested in signing him.
"One and one is two."