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Unfortunately for the manager, his team's dismal performance at the Emirates showed that's exactly what they are.

Without Palmer for just the second time in the Premier League since he arrived last summer, Chelsea were embarrassed by Arsenal.

The 21-year-old has provided the most goals and the most assists for the Blues this season, meaning it was hardly surprising they managed just one shot on target compared to Arsenal's 10.

Removing Palmer from the team was like removing the knot that had been tying Chelsea's players into something resembling a functional outfit.

But this season, he has found himself with 21 Premier League starts from 33 games, and the arrival of Oliver Glasner has seen Mateta stride into form.

In just nine appearances, he has scored more Premier League goals under Oliver Glasner (8) than he did under either Roy Hodgson (5 in 35 games) or Patrick Vieira (6 in 44).

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Bearing in mind 13 teams have exceeded their own xG tally, they are falling behind the rest of the Premier League significantly in many cases.

The fact players not called Dominic Solanke have scored only 31 goals for them this season plays a major part in that.

But, that's an issue for another day, another season
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