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Any good football analyst or observer would surely not be confident of Manchester City winning Liverpool. Even before the match, it was so obvious Manchester City was weak and their moral was low after a home and away defeat by Real Madrid in the champions league. It is okay for we to conclude that Liverpool will win the league, even if it is not certain that Liverpool will win the league title this year, it is certain that Manchester City cannot win it.
As a fan - I am 100% sure Liverpool will win the Premier League title this season.
I haven't found any signs that Liverpool will fail - of course one of them is when you see several competitors such as Arsenal falling behind with a large gap in points. If Arsenal were better and the points gap wasn't that big - then anything is possible, but so far it hasn't. So what are you worried about?
I don't actually know the problem with Manchester city because they still play fine football but result is no longer in their side.
Their squad depth is not as good as before - especially in defence. Savinho is not very good as a winger - while City also lack balance in midfield without a good defensive midfielder. Pep Guardiola can't force De Bruyne to perform like he used to - Foden isn't at his best either. Haaland was less than optimal due to a lack of creativity on the wings and midfield - so everything changed compared to the previous season.