Idrissa Gana Gueye strained a knee in the 2-2 draw with Bournemouth on Saturday at the Vitality Stadium and is ruled out of tonight’s Carabao Cup tie against Rotherham United.
A groin problem has also ruled out Ademola Lookman, while deadline day arrival Andre Gomes has suffered a minor setback in his return from a hamstring injury and is expected to miss a further three weeks.
Fellow summer signing Bernard picked up a muscle strain in training and will be assessed tomorrow.
Club captain Phil Jagielka has sustained a knee cartilage injury and will be sidelined for the next three weeks.