Liam Cooper, ex Spireite and captain of Leeds United
Here's a look at some ex Spireites currently lighting up their leagues.
Jacob Brown (Spireite January 18 - June 18) The former Town loanee is flying in League One, where he was a nominee for January Player of the Month. He produced two goals and six assists in a recent seven-game spell.
Armand Gnanduillet (Spireite January 13 - January 16) - Another former Chesterfield man having a great season in League One. He's got 11 goals in 38 games for Blackpool, 10 of which have come in his last 27 matches.
Jay O'Shea (Spireite November 12 - June 17) Despite no goals in his first 13 games, O'Shea has since fired in 15 in 23 appearances. The 30-year-old is in the form of his life and Bury sit second in League Two.
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Ched Evans (Spireite June 16 - May 17) The Welsh striker, on loan to Fleetwood Town from Sheffield United, has 13 goals in 30 games for the League One club, including five in his last six.
Liam Cooper (Spireite November 12 - August 14) - Cooper is captain of Championship title contenders Leeds United. He's made 25 appearances this season and his passing and leadership have won him many plaudits.
Conor Wilkinson (Spireite August 16 - January 17) Wilkinson is on loan to Dagenham, from Gillingham and in 14 National League games he's scored eight goals.
Jon Nolan (Spireite May 16 - June 17) A little over a week ago he scored a vital goal for Ipswich against Derby. He's made 20 Championship appearances this season, just three years after playing in the National League.
Lee Novak (Spireite August 15 - June 16) The striker has 11 goals in 34 games for League One Scunthorpe United. It's his best tally since hitting 15 in the 2015/16 campaign for Chesterfield.
Tom Anderson (Spireite February 16 - May 17) The man who put his head where it hurt in a Chesterfield shirt time and time again, is a regular feature for League One play-off hopefuls Doncaster. He's made 28 appearances.