I think you do him a disservice by saying his methods and tactics would automatically be outdated just because he wasn't a manager in that time. His knowledge of football, according to multiple sources, is phenomenal, arguably on par with that of Ferguson; and that had been maintained all these years, because he wanted to return to the Liverpool job. Obviously time will tell how successful he is though, but realistically, with the money spent, and the players brought in, they really should be finishing in the top 4 this season. Especially with the latter half of last season giving time to bed in. Only United scored more points from January onwards, and that was without Gerrard and Carrol for the majority of that time period.
Call me out if you think I'm biased, but I think that's fairly factual.
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"Eet's game time..."