Joe Morrell and Aaron Lewis have received call-ups to the senior and U21 squads respectively for their upcoming fixtures.
The call-ups for City's summer arrivals will mean that they are unavailable for the trip to Peterborough United on Saturday, 12th October.
Morrell, who made his senior international debut in August, will be available for Wales' Euro 2020 qualifiers at Slovakia on Friday, 11th October and at home to Croatia on Sunday, 13th October.
Lewis has been called up to the U21 squad for the U21 Euro qualifier against Moldova on Friday, 11th October.
