SWISS prosecutors have appealed against court verdicts clearing former FIFA Secretary General Jerome Valcke of bribery and Qatari sports and broadcasting executive Nasser Al-Khelaifi of offering him incentives in a case involving World Cup media rights. The prosecutors also sought further charges against Valcke. The Attorney General's Office had accused Al-Khelaifi and an unnamed businessman of committing criminal mismanagement by offering Valcke undue advantages, including the use of a villa owned by Al-Khelaifi in Sardinia rent-free. Both Valcke and Al-Khelaifi have denied wrongdoing. They could not be reached for comment on Wednesday. Switzerland's Federal Criminal Court in October cleared Al-Khelaifi,…