Varney was stretchered off in Saturday's home win over Millwall following a collision with team-mate Stephen Warnock, but has suffered only heavy bruising to his leg.
Manager Neil Warnock, who has no other new injury or suspension worries, is keen to name an unchanged side for the fourth game running and is hoping Varney can pass a late fitness test.
Midfielder Michael Brown and forward El-Hadji Diouf are pushing for recalls after second-half substitute appearances against Millwall, while Aidy White and Ryan Hall provide boss Warnock with alternatives if Varney fails to make it.
Leeds are looking to extend their unbeaten league run to four matches in a bid to maintain their play-off challenge.
- Sports & Recreation
- Stephen Warnock