Six years ago, Juventus sold Paul Pogba to Manchester United for a then world record fee of £89.3. After a very difficult and stressful spell in Manchester, Pogba is returning to Turin on a free transfer. The agreement is complete and confirmed. The deal is for four years and is expected to be signed early next month. Keep up with all of our soccer and World Cup coverage here. In his first spell with Juventus, Pogba won four straight Serie A titles. In addition, he won back-to-back Coppa Italia titles along with two Supercoppa Italia titles. A total of eight titles in a four-year span is brill…