Poor start for champions.
Liverpool have work to do in their Champions League Group.
The defending champions lost 2-0 to Napoli in Group E Italy last night.
Carlo Ancelotti's side grabbed the spoils with late goals from Dries Mertens and Fernando Llorente
The other match in that Group saw Salzburg defeat Genk 6-2.
Chelsea lost 1-0 to Valencia in Group H.
Ross Barkley missed a penalty late on for the Pensioners.
Elsewhere in that Group, Ajax defeated Lille 3-0.
In Group F it ended Inter Milan 1 Slavia Prague 1 and Borussia Dortmund 0 Barcelona 0.
In Group G it finished Lyon 1 Zenit Saint Petersburg 1 and Benfica 1 Leipzig 2.
Tonight, Manchester City begin their challenge against Shakhtar Donetsk in Group C in Ukraine from 8pm.
They will be without defender John Stones, who is sidelined for up to six weeks with a thigh injury.
Tottenham Hotspur kick off their Group B match with Olympiakos in Greece at 5 to 6
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