Everyone knows Ernie Moss is an icon on both sides of the M1 corridor, but here are eight others you might not know played for both clubs.
5. Paul Holland
Paul Holland played 149 for Stags between 1991 and 1995, before making 114 appearances for Chesterfield after a brief spell at Sheffield United. He was sacked by Mansfield after leading the club to Football League relegation in July 2008. Photo: JPI
6. Kevin Gray
Kevin Gray began his long career at Field Mill as a trainee in July 1990. He had four successful years before a move to Huddersfield Town. He wasn't quite as successful at Chesterfield, where he played 15 times in the 2007/08 season. Photo: Getty Images
7. Sam Clucas
Sam Clucas scored 13 goals as Stags finished the 2013/14 League Two season in 11th. But he moved to Chesterfield the next season after stating his desire to play League One football. He helped Spireites make the play-offs, where they were beaten by Preston. Photo: Getty Images
8. Giles Coke
Giles Coke's career took off at Mansfield. He played 70 times for Stags between 2005 and 2007, before going on to play for Motherwell and Sheffield Wednesday. He joined Chesterfield in February 2018 until the end of the season but only played twice for Spireites. Photo: © Howard Roe/AHPIX.com