Nottingham Forest face a blow after drawing Manchester United in the Carabao Cup semifinals.
Forest reached the final four after a shootout win against Wolves thanks to goalkeeper Dean Henderson.
Henderson is on-loan at Forest from United and will only be able to face his parent club if they grant him permission.
Southampton will meet Newcastle United in the other semi.
The teams drawn first are at home in the first leg. The two legs are the weeks commencing 23 and 30 January.
Carabao Cup semifinals:
Nottingham Forest v Manchester United
Southampton v Newcastle