Luka Milivojevic is also eligible following a three-match suspension, however Mamadou Sakho and Jeffrey Schlupp are set to remain sidelined with long-term injuries, and Everton loanee Cenk Tosun will also be absent after he sustained a hamstring problem against Southampton.
New club-record signing Sander Berge could be included in the Sheffield United squad when they travel to Crystal Palace.
The holding midfielder joined the Blades from Belgian champions Genk on Thursday and will hope to get his first taste of Premier League action at Selhurst Park.
David McGoldrick this week suffered a setback in his recovery from the foot injury that has seen him miss the last three games and the striker remains a doubt.
Provisional Crystal Palace squad: Guaita, Kelly, Tomkins, Cahill, Van Aanholt, Townsend, Ayew, Kouyate, McArthur, McCarthy, Zaha, Benteke, Ward, Milivojevic, Dann, Hennessey, McGregor, Pierrick.
Sheffield United provisional squad: Henderson, Moore, Verrips, Egan, Basham, O'Connell, Stevens, Baldock, Berge, Fleck, Besic, Norwood, Lundstram, Mousset, Sharp, McBurnie, McGoldrick, Freeman, Jagielka.