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Henderson conceded about 10 goals less than was statistically expected in terms of the quality of shots on target faced last season (Kepa was a disaster!)
Ramsdale was kind of average last year, conceding about as many as was expected
Here I plot the save % vs. shots on target faced in the PL:
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Bottom left = suggests good defence, poor GK. Top right = poor defence, good GK.
Again Hendo stands out with the 3rd best save % in the league, Ramsdale is 15th.
I also add in the Turkish league below. Cakir looks good with the 3rd highest save % in the league. However it is a lower standard of league and ideally I'd have the expected goals prevented on target data (the first chart, which helps to adjust for that fact that a keeper might be saving many low quality shots).
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