Grant began his reffing career at just 15 and joined the National List of Assistant Referees in 1992.
After reffing the FA Trophy final in 1999, in 2001 he was promoted to the National List of Referees.
Last season Hegley reffed the Millers infamous game at Meadow Lane when a goal just a minute from time by Luke Rodgers gave Notts County three points in a second v third clash.
Danny Harrison was the only person to see yellow that day in a Milers shirt.
Last seasons record:
36 games, 40 yellows, one red (Luke Steele of Barnsley).
Hegley reffed the Charlton v Bournemouth clash at the weekend, showing three yellows and one red card.
Running the lines tomorrow will be A. E Fearn from Leicestershire along with J.P Magill from Essex.
The Fourth Official is W. Porter, Lincolnshire.