The midfielder has been sidelined for the Blues' last five matches after suffering a thigh injury while on international duty with Spain.
"David is in the squad list for tomorrow. I think he can play at least some minutes tomorrow," BBC Sport quotes Pellegrini as saying.
City opened their Group D campaign two weeks ago with a 3-0 win against Viktoria Plzen.
Meanwhile, holders Bayern also earned a 3-0 victory as they overcame CSKA Moscow.