After that bizarre game at the Den which saw keeper Paddy Kenny sent-off United have been forced to loan in Ian Bennent from Birmingham City and is expected to make his full debut between the sticks.
The Blades will also be without Derek Geary who will serve a one match suspension. Geary netted the last minute winner against Millwall and is likely to be replaced with Jon Harley who will move back from left-midfield.
Predicted Blades XI: Ian Bennett, Leigh Bromby, Phil Jagielka, Chris Morgan, Jon Harley, Andy Liddell, Michael Tonge, Paul Thirlwell, Alan Quinn, Andy Gray, Paul Shaw.
The Millers will be without former Burnley man John Mullin who has been ruled out of six weeks with spinal damage. Darren Garner (calf) and Andy Monkhouse (knee) are also sidelined.
New signing Jamel Campbell-Ryce and Michael Proctor are expected to replace former Blade Rob Scott and Paulo Vernazza.
Predicted Millers XI: Mike Pollit, Robbie Stockdale, Chris Swailes, Paul Hurst, Rob Scott, Paulo Vernazza, Paul McLaren, Shaun Barker, Martin McIntosh, Juan Junior, Paul Butler.