Oumar Sissoko is the cousin of the footballer who plays for what Liga 1 team?
Mohamed Sissoko Mohamed Lamine "Momo" Sissoko Gillan (born 22 January 1985) is a Malian footballer who plays as a defensive midfielder for Mitra Kukar in the Liga 1.
Omar Kossoko Omar Kossoko (born March 10, 1988 in Mantes-la-Jolie, Yvelines) is a French footballer who plays as a centre forward for Al-Fujairah.