Earlier Milan club president Silvio Berlusconi and former Italian Prime Minister had warned that the Serie A team will leave the pitch if they are faced with further anti-social behavior . AC Milan midfielder 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 the first half of Thursday 's friendly against Pro Patria . The Italian -born Boateng had told the referee 25 times he was being abused . Milan club president Boateng and former Italian Prime Minister has called Boateng to congratulate him on his walkout .
AC Milan midfielder 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 the first half of Thursday 's friendly against Pro Patria . The Italian -born Boateng had told the referee 25 times he was being abused . Milan club president Boateng and former Italian Prime Minister has called Boateng to congratulate him on his walkout .