Chelsea player ratings: Ethan Ampadu outplayed both sides in narrow win

LONDON, ENGLAND - DECEMBER 20: Willy Caballero of Chelsea celebrates victory with Kenedy of Chelsea during the Carabao Cup Quarter-Final match between Chelsea and AFC Bournemouth at Stamford Bridge on December 20, 2017 in London, England. (Photo by Catherine Ivill/Getty Images)
LONDON, ENGLAND - DECEMBER 20: Willy Caballero of Chelsea celebrates victory with Kenedy of Chelsea during the Carabao Cup Quarter-Final match between Chelsea and AFC Bournemouth at Stamford Bridge on December 20, 2017 in London, England. (Photo by Catherine Ivill/Getty Images)
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