Here are 14 great pictures from derby games from 2000 to 2008.
1. The Last Post
Chesterfield players during the one minute's silence while The Last Post is played in September 2007 at Field Mill. Photo: Tina Jenner
2. 18 years ago...
Stags' Scott Sellars and Chesterfield's Gareth Davies during the Spireites' 2-0 away win in August 2002. Photo: Tony Stocks
3. Happy days
Chesterfield fans celebrate after 3-1 win at Field Mill in September 2007. Photo: Tina Jenner
4. Luke Beckett
Luke Beckett was one of Chesterfield's goalscorers in their 4-0 hammering of Mansfield in September 2000. Photo: M>Waistell