The excuse for Xavi was these injuries just happened to fall at the time of important ucl matches. We had enough good quality defenders fit throughout the season to win the league. This is about united's 4th game playing with a CB partnership that top championship clubs wouldn't want
There is no comparison between Barca's performance under Xavi and United's. Night and day. Even if you exclude City, nothing is stopping United from beating the smaller teams and pushing for the title.
Tottenham is doing it ffs after losing Kane. Not to mention Arsenal.
United are just underachieving season after season despite being one of the biggest spenders in Europe.
Barca had problems too obviously, but did far more than United in just 1 full season under Xavi. United didn't even challenge properly for a full decade.