<p>Jens Lehmann is one of football's most recognisable goalkeepers. <br><br>In a playing career stretching across four decades he represented three of Europe's most illustrious clubs. <br><br>Winning Bundesliga and Premier League titles only tell apart of his story, however. Here, Lehmann follows a path of self-analysis, detailing his obsession with the game, an obsession which propelled him to a sporting level he felt comfortable with, albeit a ...