Portsmouth were hopeful their key defender would be back at Ewood Park but he has suffered a setback
Man United will travel to Portman Road to face Ipswich Town in the Premier League on Sunday afternoon.
Reading have been boosted for Saturday's trip to Peterborough United with the return of striker Sam Smith. The 26-year-old has been out for over three weeks but has scored five goals in 12 appearances so far this season. Formerly of the Posh's rivals, Cambridge United, the Academy graduate is set to make his first appearance in a month at London Road on Saturday as Ruben Selles' side return from the international break. Smith scored a late equaliser on Boxing Day during an entertaining 2-2 draw