The greatest FA Cup shock ever?This video can not be playedTo play this video you need to enable JavaScript in your browser.The greatest FA Cup shock ever?CloseBBC Sport looks back at one of the biggest upsets ever seen in the FA Cup, when League One Bradford City visited Premier League leaders Chelsea in the fourth round in January 2015.Read the match report here and watch match highlights herePublished1 June 2018SectionBBC SportSubsectionFA CupShareclose panelShare pageCopy linkAbout sharingRead description