Barcelona has begun preparation for their future having confirmed the signing of Ajax midfielder Frenkie De Jong. The youngster will arrive Camp Nou this summer. According to Barcelona’s official website, the singing of De Jong cost a basic €75m and including possible add-ons worth €11m. De Jong will be joining the defending La Liga Champions on a five-year contract deal. The player will become one of the highest paid central-midfielders in world football as soon as he joins Barcelona, as…