Possession doesn't equal World Cup success
"Possession hasn’t necessarily been helpful here in Russia. According to TruMedia Networks, the top six teams in average possession at this World Cup already have gone home. Interestingly, Croatia, England, France and Belgium rank 7th through 10th, respectively. Uruguay, the CONMEBOL side that held the ball the least, still stands 19th overall. Four years ago, Germany finished second in the possession standings at 60%, but none of the other semifinalists were in the top eight."
Full article: Sports Illustrated