West Brom head coach Tony Pulis will be without influential winger Matt Phillips and forward Hal Robson-Kanu.
The pair suffered hamstring problems in training on Tuesday and could also miss the trip to Burnley next weekend.
Leicester are hopeful that captain Wes Morgan will return from the hamstring injury that kept him out of the midweek defeat by Arsenal.
Club record signing Islam Slimani is expected to be available after three matches out with a groin injury.
MOTD COMMENTATOR'S NOTES
John Motson: "Both clubs would refute the notion there is little importance attached to this game.