The incident occurred during the 1-0 defeat to Cagliari at the Stadio Sant'Elia.

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It seems that Minelli did not hear the racist insults from the stands, and booked Muntari for dissent.

Muntari then started to walk off the field of his own volition, but fortunately no further disciplinary action was taken.

Sky Sport Italia touchline reporters note they did not hear clear insults either, but it seems that Muntari did.

This situation will inevitably spark controversy and further debate on how to deal with racist abuse from the crowd.