Capital One have stepped in to provide a further 486 seats for Shrewsbury Town's cup tie with Chelsea
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Boss Nigel Pearson could hand a Leicester debut to son James as he makes wholesale changes to face Shrewsbury.
The right-back impressed in pre-season and the manager is likely to include him in the Capital One Cup squad for Tuesday's game.
Youngsters Jak McCourt and Michael Cain could also feature.
Leicester provisional squad: Schmeichel, Hamer, Pearson, Konchesky, Wasilewski, Schlupp, Moore, Morgan, King, Hammond, McCourt, Cain, Albrighton, Knockaert, Mahrez, Taylor-Fletcher, Ulloa, Nugent, Wood.
For the second time in three days Jeff Hendrick proved to be Derby's man on the spot, grabbing the second-half goal which broke Carlisle's brave resistance and secured a 2-0 win in the Capital One Cup first-round tie at Brunton Park.
Hendrick, who netted the winner in Derby's Championship opener on Saturday, was unmarked at the far post when he headed in Will Hughes' cross, and Derby secured victory in added time when Chris Martin sidefooted a right-wing cross home from six yards.