By Matt Hardy AFC Wimbledon have been crowned London’s best club for fan engagement despite a monumental rise for Chelsea, new research has revealed. The Fan Engagement Index has ranked The Dons fourth in the country, behind Exeter City, Carlisle United and Lincoln City. The highest ranked Premier League team is Brentford, in 12th, while Chelsea have shot upwards into the top 35. Points are benchmarked against other clubs for men’s football, “recognising and rewarding clubs that practise good fan engagement”. Stamford Bridge club Chelsea also received a merit award for accumulating 50 extra po…