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 npower 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.