Frank Lampard has enjoyed a positive start to life in the dugout at Stamford Bridge.
Chelsea are currently occupying the fourth spot in the Champions League places in the Premier League and are five points clear of their nearest rivals, fifth-placed Manchester United, at the time of writing.
There has been one blight on the record of the former Blues midfielder so far and that has come at the back.
Lampard’s side have conceded 29 league goals this campaign in the league – a record that ranks an uninspiring eighth in the division, alongside Brighton and Hove Albion. Chelsea number one Kepa Arrizabalaga has managed just four league clean sheets all season.
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The Spaniard will surely be disappointed by this return, not least given the expectations that have been placed on his shoulders since his record-breaking move last season.
Measuring a goalkeeper’s prowess between the sticks on clean sheets alone is a deeply flawed method.
A keeper can play behind a robust defensive unit, limiting the number of high-quality shots they have to face and therefore aiding their ability to keep a clean sheet.
Meanwhile, a good goalkeeper can play behind a poor defence, making their life more difficult as they face more frequent high-quality shots which in turn hamper their own ability to put together a string of clean sheets.
Unfortunately for Kepa, the latter does not apply to Chelsea this season.
Only Manchester United have faced fewer shots per 90 minutes than the Blues with Lampard’s side coming up against just 7.36 shots per 90.
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Inconsistency from Kepa has led to concerns over the ability of the 25-year-old but to better judge his performances beyond using goals conceded by the Spaniard or the number of clean sheets he hasn’t claimed as evidence against him is to look…