Grayson has no new injury or suspension headaches and although Tresor Kandol will sit out the last of a three-game suspension, on-loan Coventry midfielder Michael Doyle returns to contention following a one-match ban.
Striker Luciano Becchio is still nursing an ankle injury, but Davide Somma pushed his claims to be involved in the squad with two goals for the reserves in midweek.
Neil Kilkenny is hoping to retain his place in midfield after starting the last two matches and centre-half Paul Huntington will be hoping to feature in the squad following his return to Elland Road from a loan spell at Stockport.
Leeds have bounced back from their only league defeat of the season at Millwall last month with successive 4-0 wins, at Bristol Rovers and against Yeovil, and look to extend their lead at the top.
