The Court of Arbitration for Sport (CAS) has set a date to hear former Fifa executive committee member Amos Adamu to appeal his ban for corruption.The Nigerian will challenge his three-year ban on 4 October.He was the first Fifa official sanctioned for bribery last November, after a British newspaper alleged vote-trading in the 2018 and 2022 World Cup bidding contests.Malian Amadou Diakite will appeal against his two-year ban on 10 October.A third former Fifa executive committee member Tonga's Ahongalu Fusimalohi will have his hearing on 7 November.Diakite and Fusimalohi reportedly advised undercover reporters from the British newspaper The Sunday Times how to bribe their former Fifa colleagues.CAS in Lausanne is sport's highest court.