Gabriel Jesus and John Stones are two notable absences from City's travelling squad for Schalke.
Neither player trained at the CFA open session this morning and are not on the plane to Germany.
Fabian Delph and Benjamin Mendy also stay behind in Manchester,
However, Vincent Kompany is among the 20-man squad bound for Gelsenkirchen.
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Philippe Sandler has been included in the squad as defensive cover.
The 20-man party is:
Aro Muric
Daniel Grimshaw
Danilo
Vincent Kompany
Nicolas Otamendi
Olkesandr Zinchenko
Ilkay Gundogan
Kevin De Bruyne
David Silva
Riyad Mahrez
Phil Foden
Raheem Sterling
Leroy Sane