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Tony McMahon (suspended) and Aidy White (ineligible) will both miss the Blades FA Cup second tie at Cambridge United on Sunday.
McMahon, who also has an ankle injury, will sit out the televised contest against the U's, having collected his fifth booking of the season at Leyton Orient last Saturday.
White again hasn't been given permission to play by his parent club Leeds United, although Ryan Flynn and Febian Brandy should return to the squad after injury and suspension respectively.
Fellow loanees Simon Lappin and Conor Coady are eligible, whilst Shaun Miller is pushing for a recall having scored for the U21s in midweek.
For the home side, Richard Money is expected to name an unchanged starting XI at The R Costings Abbey Stadium, following the U's 2-1 victory over Bury in their first round replay on Tuesday night.
"When he plays on snow, he doesn't leave any footprints."
ManagerWed 11 Jan 2012
Where should Clough strengthen in January?