The key to success is to stand by your manager, create stability and breed familiarity at a football club. That is unless you're Chelsea.
Since Roman Abramovich took over the west London club in 2003, the Russian has employed nine different managers. And yet following last night's Europa League success, they've won 11 trophies in that time.
Here, we take a look at all the major silverware won during the Abramovich era. Click HERE or click 'VIEW GALLERY' to launch our guide.