Graham Potter revealed that Mateo Kovacic is still carrying the knee issue that impacted his start to the season. The midfielder was an early substitution against Manchester United when he replaced Marc Cucurella as the Blues looked to change shape.
It is the second time in as many matches that the Croatian star has been introduced in the opening half of football after Conor Gallagher needed to be replaced after 15 minutes against Brentford. The 28-year-old had a significant impact after entering the field with 36 minutes on the clock.
However, it appears Kovacic is still carrying the issue which saw him miss Chelsea's match against Tottenham in August before being carefully reintroduced to the side.
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