Coventry City remain in 12th place in the League One table after three matches were played on Tuesday night.
Bradford City, who are due to face the Sky Blues at Sixfields (weather and pitch permitting), missed the chance to go above the Sky Blues, losing 1-0 at Carlisle United. Lee Miller scored the only goal of the game in the 14th minute.
Leyton Orient missed another chance to go back top of the table when they were beaten 3-1 by Bristol City at Brisbane Road. Goals from Sam Baldock and Tyrone Barnett had the Robins 2-0 up by the 12th minute. Kevin Lisbie pulled one back, only for Aden Flint to head home a third in the 78th minute.
In the other game, Micky Adams' Port Vale side beat Colchester United 2-0. Doug Loft scored both goals.