The England midfielder was left out for the league phase of the competition, with boss Enzo Maresca hoping to keep him fresh for domestic games.
Defender Trevoh Chalobah and new signing Mathis Amougou have also been included, but there’s still no room for Wesley Fofana or Romeo Lavia.
Axel Disasi, Joao Felix and Carney Chukwuemeka are among those to drop out.
