Arsenal have had a number of players over the years who haven’t quite hit the heights many expected in a Gunners shirt. Whether it be because of injury or simply not kicking on, the Gunners fans have had to sit back and see some serious talents not deliver. Injuries scuppered the likes ofSanti Cazorla and Jack Wilshere from ever getting to their potential. And another player who you can throw into that mix is midfielder, Abou Diaby. Arsenal paid just £2m to sign Diaby back in 2009. And while there were glimpses of his brilliance at times, injuries eventually ensured he never quite got full lif…
