The trio missed Saturday’s goalless draw at Everton due to respective injury issues, none of which are thought to be serious.
Klopp will further assess his squad when they convene for training at Melwood on Monday evening, but he is confident of having more options at his disposal for the second leg of the quarter-final encounter at the Etihad.
Asked for an update on the Reds’ current fitness concerns, Klopp told Liverpoolfc.com: “No real clue in the moment because we have to wait a little bit. You can imagine, in this short period between games, it is quite difficult so I have to wait each minute I can and that’s what I’ll do.