Police have released this image of a man they would like to speak to following disorder a recent Chesterfield FC match.
The incidents took place during and after the game between Chesterfield FC and Mansfield Town at the Proact Stadium at the end of September.
Officers would like to speak to the man, who is believed to be from the Mansfield area, to help them with their inquiries.
Seven men from Chesterfield were arrested following the match .
Inspector Glyn Jones, who helped 125 officers on the day, said there was a history of tension between the two sides.
He said the majority of fans are well-behaved but a minority spoil in for the rest.
The Derbyshire Times faced an angry backlash from some Spireites supporters after reporting arrests had been made. They claimed they had not seen an violence.
Anyone who recognises the man is asked to call PC Dave Wright or PC Alan Guy on 101 or Crimestoppers on 0800 555 111.