Kevin-Prince Boateng has insisted he will walk off the pitch again if he is racially abused - even if it is in the Champions League - and criticised FIFA for not doing more to tackle the issue.

AC Milan's former Portsmouth and Tottenham midfielder walked off during a club friendly on Thursday followed by the rest of his team. The 25-year-old Ghana international warned he will do the same again - and has been backed up by club president Silvio Berlusconi.

Boateng told CNN: "I don't care what game it is - a friendly, Serie A or Champions League match, I'd walk off the pitch again and I think everyone would support me."

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