According to The World Sport, Real Madrid have spoken to AC Milan midfielder Casey, who hope to waive the Ivorian international this summer.
Casey's contract with Milan expires less than half a year ago and he is now free to talk to other teams.
Real Madrid have now reached out to Casey and the club see him as Casemiro's successor and want him visa-free this summer.
However, in addition to Real Madrid, Premier League clubs such as Tottenham Hotspur, Liverpool and Manchester United are also pursuing Casey.