Ruud van Nistelrooy, who was forced to miss United's FA Cup semi-final win against Arsenal last week with a knee injury, may not have recovered in time for the clash whilst fellow striker Louis Saha is struggling with an Achilles injury.
Blues have no new injury worries with just long term casualties Darren Purse (ankle) and David Dunn (hamstring) unavailable for the game between third and sixth in the Premier league table.
Blues (from): Maik Taylor, Martin Taylor, Cunningham, Upson, Grainger, Johnson, Savage, Hughes, Lazaridis, Forssell, Morrison, Bennett, John, Clapham, Tebily, Cisse, Clemence, Carter.
Man Utd (from): Howard, Carroll, G Neville, P Neville, Brown, Silvestre, O'Shea, Pugh, Fletcher, Butt, Scholes, Ronaldo, Keane, Djemba-Djemba, Giggs, Saha, Van Nistelrooy, Kleberson, Solskjaer, Forlan, Bellion.