AVB shouldn't be compared to Jose. Chelsea's problem never was the manager. It's the fact they've had no turnover on the back line or the midfield in the last five season.
Arsenal's problem is that Wengface is scared to invest in experienced players worth more than a pound.
Last year wasn't as good as previous years for sure. But this year is just something else, very poor quality, terrible defending, amateur mistakes, top teams have too many washed up players.
