In-form Bristol Rovers have no fresh injury worries as they look to make it seven games unbeaten.
The Pirates ran out 1-0 winners against Wycombe on Saturday, their fifth win in their last six matches, to move seven points adrift of the League Two relegation zone.
But while all of the current squad came through the match unscathed Rovers are still without their four long-term injury victims who are all yet to play under Ward.
Matt Harrold, Matt Gill, Scott Bevan and Adam Virgo are all still sidelined.
Ryan Brunt will keep his place upfront after the January signing from Stoke struck the only goal against the Chairboys on Saturday.
Rotherham arrive in Bristol looking for revenge after their 3-1 defeat at The New York Stadium last month.
Rotherham boss Steve Evans will once again be without Michael O'Connor.
The influential midfielder will serve the final game of his three-match ban for stamping during the Millers' 2-0 defeat to Burton on February 9.
Evans looks set to hand late fitness tests to a number of first-team players after they picked up knocks during Saturday's 1-0 win over neighbours Chesterfield.
Defender Craig Morgan is in contention after recovering from a foot injury which has kept him out since November, while goalkeeper Scott Shearer is making good progress in his recovery from an elbow injury but will not be ready in time for the trip.
Rotherham, who currently sit sixth in League Two, travel to Bristol looking to record their third win on the bounce.