Grant Hegley from Hertfordshire.
Grant joied the National List of assistant referees in 1992, and was promoted to the National List of Referees in 2001.
This season he was referee for the Millers 4-1 league cup defeat at Peterborough.
Grant has been in the middle this season for 24 Games issuing a modest 25 Yellow and just the 2 Red cards.
Richard Clark (Northumberland) along with Scott Duncan (Newcastle-upon-Tyne) will run the lines.
The Fourth Official is Nigel Smith (Derbyshire)