MK Dons 0-1 Chesterfield highlights
Armand Gnanduillet's second-half header gives Chesterfield victory over League One rivals MK Dons at Stadium MK to reach the third round of the FA Cup.
The forward nodded home Sam Clucas's cross from the left to break the deadlock eight minutes after the break.
Chesterfield had earlier seen Eoin Doyle's shot ruled out for offside.
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