Arsene Wenger is without doubt one of the most intriguing characters in football.
After being plucked from obscurity in the Japanese J League by Arsenal in 1996, Wenger has built a reputation as one of the world's finest football managers.
Not content with just winning trophies, Wenger spent years instilling an attractive form of football at Arsenal. The style transformed a team renowned for boring, negative tactics, to one of the most desirable teams in world football.
His appointment was soon followed by success as Arsenal secured three Premier League trophies and four FA Cups in his first nine years of management.
But since then, its all gone quiet in the Gunners' trophy room. Arsenal are approaching a ninth year with winning a trophy as Wenger struggled under the restraints of moving to the new Emirates stadium in 2006.
But could the drought have been avoided? We take a look at five decisions that has cost Wenger big during his time at Arsenal.