Dean Whitestone from Northamptonshire.
Whitestone was last in charge of the Millers back in August when he sent off Daniel Nardiello in the 2-2 draw with now relegated Shrewsbury.
This season Whitestone has shown 84 yellows and 4 red cards in 33 games.
Running the lines tomorrow are Mr. B. Huxtable (Devon) and Mr. E. Kaye (Essex).
The fourth official is Mr. M. Pottage (Dorset).