Mikel Arteta replaced Unai Emery at Arsenal and David Moyes filled the vacancy left by Manuel Pellegrini at West Ham.The Hammers have flourished with Moyes at the helm, going from relegation battlers to genuine top four contenders in the space of just over a year.Arsenal, on the other hand, are still struggling for consistency under Arteta and could yet record their first bottom-half finish in the Premier League since 1995.The Emirates and the London Stadium may be separated by just four miles, but the two clubs appear poles apart on the pitch at the moment.
And with that in mind, Daily Star Sport have taken a look at four mistakes Arteta has made which Moyes avoided 16 months' on from their respective appointments.
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