Nigerian striker Kanu is yet to return, while Hermann Hreidarsson (leg), Michael Brown (back), Tommy Smith (groin) and Papa Bouba Diop (hamstring) are all major doubts.
Pompey boss Avram Grant could hand a full debut to new striker Quincy Owusu-Abeyie, while David James looks set to continue in goal following Asmir Begovic's deadline day move to Stoke.
Kick-off at Craven Cottage is 8pm.
Pompey (from): James, Mokoena, Mullins, Vanden Borre, Piquionne, Ben-Haim, Wilson, Boateng, Finnan, Utaka, Webber, Hughes, Ashdown, Belhadj, Yebda, Dindane, Owusu-Abeyie, O'Hara.







