Coventry City are bottom of the League One table after losing 1-0 at Chesterfield.
City have gone bottom on a day when the other sides in the bottom five all won and are now a point adrift of Oldham Athletic, who had John Sheridan in his fifth spell as manager, beating Gillingham 1-0.
Chesterfield are 22nd with 25 points and in 21st are Shrewsbury Town who beat fourth placed Bradford City 1-0.
Bury are 20th but won their first game in twenty, coming from behind to beat Peterborough 5-1.
Sheffield United stay top despite losing 4-1 at Walsall and are a point ahead of Scunthorpe who won 2-1 at Northampton.
Third placed Bolton lost 2-1 at home to Swindon Town with fifth placed Rochdale losing 2-1 at Southend United and Fleetwood Town, who come to the Ricoh next Saturday, beating Bristol Rovers 3-1.
In the South London derby, Charlton drew 0-0 with Millwall whilst AFC Wimbledon beat Oxford United 2-1 and the Port Vale V MK Dons game was postponed.