Jonny Evans, Ayoze Perez and Dennis Praet could return for Leicester City, but Jamie Vardy (hip), Harvey Barnes (knee), James Justin (ACL), Wes Morgan (back) and Cengiz Under (thigh) remain out.
Sheffield United look set to again be without Chris Basham, John Egan, Jack Robinson, Jack O'Connell and Sander Berge.
Leicester have won all three of their Premier League meetings with Sheff Utd, scoring twice in each match.
Kelechi Iheanacho is looking to score in three consecutive PL appearances for the first time.
Sheff Utd are aiming for their first victory against Leicester in eight league matches.
With 16 goals, the Blades have scored the fourth-fewest goals at this stage of a PL season after Derby, Aston Villa and Huddersfield Town.
Referee: Peter Bankes. Assistants: Adam Nunn, James Mainwaring. Fourth official: Anthony Taylor. VAR: David Coote. Assistant VAR: Neil Davies.