banner , displayed during roma 's 1-0 defeat of napoli on saturday , caused outcry for insulting the mother of a napoli fan who was killed in violent clashes between supporters last year .
a serie a disciplinary tribunal stated the banners were ` by their content provocatively insulting to the mother of a supporter of the opposing team .
the taunts were aimed at antonella leardi whose son ciro esposito died after being shot during violent clashes that coppa italia final in rome .