Juventus midfielder and 2018 World Cup champion Paul Pogba has been banned from football for four years for a for a doping offence, the competent Italian sports court said on Thursday. The 30-year-old tested positive for excess testosterone in August after a Serie A match between Juve and Udinese. The B sample confirmed the result and he has been provisionally suspended since the beginning of September. Pogba has since admitted to having taken a dietary supplement. The ruling means Pogba will be unable to play until 2027, when he will be 33, with the ban backdated to the date of the failed tes…