Rotherham will hand skipper Craig Morgan a fitness test ahead of the visit of Cardiff.
Central defender Morgan missed Saturday's vital win over Millwall with a twisted knee and he remains a doubt.
The Millers have an otherwise full squad to choose from as they chase a fifth game unbeaten on home soil.
Steve Evans could be tempted by changes and Adam Hammill will fancy a starting berth after his cameo off the bench at the weekend.
Cardiff will be forced into making at least one change for the trip to...