Town defeated MK 1-0 at Stadium MK on December 6 2014 in a game which never actually counted.
That was because the FA ordered the tie to be replayed due to Chesterfield fielding an ineligible player.
The Spireites did not have written permission from Wolverhampton Wanderers to allow on-loan defender Georg Margreitter to appear in the match.
In the replayed game – which most likely would never have taken place these days and seen MK awarded the tie – played on 2 January 2015, Chesterfield also won 1-0.
Here we take a look at what happened to the players who started the original tie.
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9. Jimmy Ryan
On 1 July 2015, Ryan signed for Fleetwood Town on a free transfer. After 67 appearances and winning the club's Player of the Year in 2016, Ryan penned a two-year deal with Blackpool, before ending his career at Rochdale in 2021. He played 83 times for Spireites. Photo: James Williamson
10.
After banging in the goals for Spireites Eoin Doyle signed for Championship side Cardiff City for an undisclosed fee. Spells with Preston, Bolton and Bradford, amongst others followed, before he headed to play in his native Ireland. Doyle retired from professional football at age 35 for personal reasons in the summer of 2023, after scoring 208 goals in 635 appearances during his career. Photo: James Williamson
11. Armand Gnanduillet
Armand Gnanduillet joined League Two side Tranmere Rovers on loan in Oct 2014 and in March 2015 he signed on loan for Oxford United until the end of the season. He eventually joined Leyton Orient for an undisclosed fee in the January 2016 transfer window. He moved back to play in France in 2022 with Le Mans and is currently playing for Dunkerque. Photo: Getty Images