AC Milan midfielder Kevin-Prince Boateng promises to walk off the field of play if he is subjected to racist abuse . The 27-year-old has been targeted by a number of fans during his time at the San Siro, but it was only last week that he had an altercation with one supporter who threw him out after being The German-born Boateng had told the referee three times he was being abused . Milan club president Silvio Berlusconi and former Italian Prime Minister has called Boateng to congratulate him on his walkout .
AC Milan midfielder Kevin-Prince Boateng promises to walk off the field of play if he is subjected to racist abuse . Boateng led his side off the field of play in Thursday 's friendly against Pro Patria . The German-born Boateng had told the referee three times he was being abused . Milan club president Silvio Berlusconi and former Italian Prime Minister has called Boateng to congratulate him on his walkout .