Leeds defender Paul Connolly serves a one-game ban after reaching five yellow cards, so Andrew Hughes is likely to return to the hosts' side.
Bradley Johnson is expected to start in midfield again despite recently being placed on the transfer list, while strikers Ross McCormack and Billy Paynter are pushing for places in the starting line-up.
Simon Grayson, who has no other new injury or suspension worries, said: "There won't be too many changes.
"The back four have worked hard and been solid. They've been resilient and put bodies on the line. Someone else will have the opportunity to get into the team."
Crystal Palace are short of numbers in midfield.
Blackburn loanee Alex Marrow looks set to miss out with an ankle injury and Owen Garvan serves the final game of his two-match ban.
Andy Dorman came on for Marrow at Doncaster last weekend and will be hoping for a start, although Alessane N'Diaye is another option.
Skipper Paddy McCarthy is still out with a groin injury so Anthony Gardner partners Claude Davis at centre-half.
Pablo Counago was recalled to the starting line-up against Rovers and responded by hitting the winner, so he should keep his place in attack.
Winger Sean Scannell is short of fitness following his knee injury and defender Lee Hills (knee) is still missing.
