I went to old trafford in the early 90's when we played them in the cup, full of scallies roaming about, really was a city (like the rest of the uk) in the midst of a depression.
Run down estate after run down estate. Loads better now but industrial towns with little or no investment for 100 years it's gonna show, Manchester has been going under redevelopment for over a decade, lots has been done but you cant gentrify 100 years in a decade.