Coventry boss Steven Pressley warned his players to toughen up after their slump continued with a 4-1 defeat at Oldham.
Coventry's slide continued as they went down to a 4-1 defeat at in-form Oldham.
Midfielder David Mellor has returned to Oldham after his loan spell with non-league outfit Alfreton.
Team news for Tuesday's League One clash between Oldham Athletic and Coventry City at Boundary Park.
Chesterfield manager Paul Cook said his team had some lessons to learn after they played out a pulsating 1-1 draw with Oldham.
Chesterfield goalkeeper Tommy Lee was on top form as the home side hit back in an entertaining 1-1 draw with Oldham.
Team news for Saturday's League One clash between Chesterfield and Oldham Athletic at Weston Homes Community Stadium.
Lee Johnson would love to work with Conor Wilkinson again after the striker returned to Bolton having played his final game for Oldham.