striker jay hart , 24 , has been filmed having sex with a supporter in the manager 's dugout .
the 73rd minute substitute for the lancashire non-league side was dismissed after the sex clip of his tryst at mossley afc in tameside , on saturday afternoon , was shared on social media .
his team had just suffered a 4-1 defeat at mossley 's seel park stadium in the final game of the season .