Goalkeeper Kasper Schmeichel is out of already qualified Leicester's final Champions League group game as he recovers from a hand injury.
Defensive midfielder Nampalys Mendy could return from long-term injury at Group G rivals Porto.
Summer signing Mendy, 24, has not played since injuring his ankle in only his second Foxes game in August.
Leicester are assured of top spot, while Portuguese side Porto need a win to guarantee their last-16 place.
Foxes defender Robert Huth and forward Islam Slimani are both another booking away from a one-match ban.
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