Jami'an kasar Amurka sun fara bincikar tsohon shugaban hukumar kwallon kafa ta duniya FIFA, Sepp Blatter, jim kadan bayan ya yi murabus. A hirar Ibrahim Isa da Alhaji Ibrahim Galadima tsohon shugaban hukumar kwallon kafa ta Nigeria, ya yi karin bayani a kan lamarin. Ku saurara.