Investigation into Niersbach may throw light on to role played by former Concacaf president Jack Warner.
Embittered Blatter critical of CAS judgement and the way his successor Gianni Infantino has operated since he was elected.
Claim says Fifa was wrong to award World Cup to Qatar without first ensuring workers rights would be protected.
Game up for Blatter as CAS refuses to overturn the six-year ban imposed by Fifa's ethics committee.
Further confusion has engulfed Asian football’s attempt to elect its additional delegates to the FIFA Council.
Candidate for election to FIFA's ruling council has been banned from all football-related activities for a year.
High-profile and highly-respected member of the sports medicine to step down.
Numerous violations lead to call for lifetime ban from football.
British Prime Minister outraged after Fifa refuses to allow England and Scotland players to wear poppies.
The FIFA World Football Museum is not proving to be the attraction football's governing body had hoped for.