Captain John Terry is out of Chelsea's Barclays Premier League clash with Wigan tomorrow after suffering inflammation of his knee.
They have already had to deal without their central defender for two months of the season after he picked another knee injury when he collided with Luis Suarez.
The are expected to welcome back goalkeeper Petr Cech and Demba Ba after lay-offs.
Eden Hazard is also available for selection after he was sent off for his bizarre altercation with a Swansea ball boy last month.
Reading boss Brian McDermott praised a clinical second half performance which sent the Royals through to the last 16 of the FA Cup.
Brighton, Reading and Aldershot have some big matches this weekend in the Fourth Round of the FA Cup.
A football fan has put himself at the centre of a flurry of Twitter attention after betting his bank details on the outcome of a match.