The Belgian international missed training on Friday and was left out of Pep Guardiola 's squad completely for the FA Cup fifth round tie John Smith 's Stadium .
The Belgian international has only just returned from knee ligament damage .
The Belgian international , who has only just returned from knee ligament damage , missed training on Friday and was left out of Pep Guardiola 's squad completely for the FA Cup fifth round tie John Smith 's Stadium .