It is seven years since Paul Pogba joined Manchester United from Juventus for a then world-record fee of £89m. He was 23 and had already won four Serie A titles. He had been named young player of the tournament at the previous World Cup. He was a star on the rise, the sort of player who might conceivably drag United out of their post-Alex Ferguson slump.
Pogba had apparently only one fault: he seemed a player out of time, a box-to-box midfielder in an age that had outgrown them. Midfields had split into two bands, and he didn’t quite have the tight technical ability to play in the more…
