Mark Haywood from West Yorkshire.
Mark last took charge of the Millers when we disposed of Bradford 2-0 back in April on the way to promotion, with goals from Lee Frecklington via the spot and Kieran Agard.
In 8 games this season Mark has given out 22 yellows and 2 red cards.
Running the lines tonight are Matthew Dicicco (Cleveland) and Ricky Wootton (West Yorkshire).
The fourth official is Richard Wigglesworth (South Yorkshire).