Getty ImagesAlex BrothertonBBC Sport journalist1 hour agoWhen Edin Dzeko decides the time is right to retire, the highlights reel of his career will be extensive.Two Premier League titles headline an impressive collection of honours won with the likes of Manchester City, Inter Milan and Wolfsburg.Yet the enduring image of the 40-year-old's career may prove to be an altogether more vulnerable one.Moments after Bosnia-Herzegovina had beaten Italy on penalties to qualify for only their second World Cup, Dzeko celebrated cautiously while nursing his arm in a sling.It's the kind of wear and tear you might expect for a man who for...