Coventry City remain fifth in the League One table after their 0-0 draw with Blackpool at the Ricoh Arena.
Gillingham who won 1-0 at Crewe top the table with a two point lead over Walsall who were beaten 2-1 at home by Chesterfield.
Third are Burton Albion, who lost 4-0 at Steven Pressley's Fleetwood Town with Bury, who drew 0-0 at home to tenth placed Rochdale in fourth and Sheffield United who drew 1-1 at Oldham in sixth.
Southend who beat Barnsley 2-1 are seventh with Wigan who beat Colchester 5-0 in eighth and Peterborough who drew 1-1 at Port Vale in ninth
Crewe are still bottom of the table with nine points, two less than Doncaster Rovers, who lost 1-0 at home to Bradford City and three less than Blackpool and Oldham.
Elsewhere, Millwall beat Swindon 2-0 and Scunthorpe beat Shrewsbury 2-1.