Ref announced The currently appointed referee for Coventry City's Championship game at Peterborough United on Saturday is Russell Booth.A member of the Nottinghamshire RA, Mr Booth took up refereeing in Mansfield in 1984. He was appointed to the referees list in 2004 and his hobbies include cricket and children's football coaching.He has had 26 matches this season including City's 2-1 home victory against Ipswich back in August. He has shown 50 yellow cards and three red.Previous City matches include the 3-2 home defeat by Watford last season, the 1-0 defeat at Cardiff in August 2006 and the 3-2 defeat at Preston in February 2005. Assistants are John Magill from Essex & Dave Plowright from Nottinghamshire . The Fourth Official is Dave Rock from Hertfordshire.