Chalkboards: the weekend's action What's wrong with Damien Duff? And what's Hull's problem? Our funky new tool has some answers Rob Smyth  guardian.co.uk Every Saturday, at around 4.51pm, one lucky member of the Guardian sports team is locked inside an airless pod with only an infinite supply of canned muscle relaxant for company, and told that they are not allowed to leave until they have used our brilliant newish chalkboards to demonstrate three key points from the weekend's Premier League action. So here they are. NB: these graphics look better - and less like a game of R-Type that has gone mad - if you click the 'hide numbers' button"Duff's regression at Newcastle At White Hart Lane, Damien Duff played in a no-frills left-back role - a stark contrast to his more familiar left-wing role in his first game for Newcastle, in happier times back in 2006.Hull's passing game In the entire game Hull mustered just 82 successful passes: less than one per minute.How Villa and West Ham differ The two claret and blue sides have notably contrasting approaches. Villa focus most of their attacks down the wings whereas West Ham 's neat, precise build-up is reflected by the huge clusters of passes in the middle section of the pitch. Copyright Guardian Newspapers Limited 2009