Arsenal are all too familiar with the consequences of nightmare injury problems andone cult hero has now revealed how a misdiagnosis ‘stopped’ their career at just 27. Fans can only wonder what may have been possible had Eduardo not sustained a broken left fibula and an open dislocation of his left ankle at Birmingham City in February 2008. Arsenal supporters can also only wonder what Abou Diaby may have achieved without his problems. The Gunners headed to St Andrew’s five points clear at the top of the Premier League table after 26 games. But losing Eduardo for the next 18 months while the Cr…