PREVIEW: Opposition insight, ex Stag in form, Posh boss McCann’s thoughts and your chance to predict the result

Peterborough's Tom Nicholls scores
Peterborough's Tom Nicholls scores
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Chesterfield entertain mid-table Peterborough United tonight, hoping for a measure of revenge for a heavy defeat the last time the clubs met.

Not only that, the relegation threatened Spireites are desperate for wins and might see tonight as a golden opportunity, coming up against another side struggling for form of late.