The bosss hair at top soccer clubs turns grey within six years due stressful nature of the job,new research has shown. Manchester Uniteds Sir Alex Ferguson,Arsenals Arsene Wenger and ex-England boss Sir Bobby Robson have all fallen victims to their stressful jobs. Stress points in a managers career sparks off hair discolouration,researchers have discovered. Former Newcastle United boss Kevin Keegans legendary bouffant started greying during the 1995/96 season,The Sun reports. Keegan,58,saw his team blow a 12-point Premiership lead to finish second to Man United. While Sir Alex,67,started to go grey in the 1994/95 season as United lost their title to Blackburn Rovers and star striker Eric Cantona was banned for eight months after assaulting a Crystal Palace fan. The study carried out by makers of cult computer game Football Manager 2010 shows it takes an average 312 weeks for a modern managers hair to turn grey. Football Manager studio director Miles Jacobson said: Being a manager is more stressful than ever,with millions of fans baying for their blood every time they drop a point - and that is clearly reflected in their hair colour.
