The Champions League enters its group stages this week, with fixtures all over Europe.

Current holders Liverpool begin their defence with a trip to Napoli, while Inter Milan host Slavia Prague.

Dortmund welcome Barcelona and Chelsea clash with Valencia at Stamford Bridge.

Also, Ajax play Lille and Benfica take on RB Leipzig.

Tuesday, September 17
GROUP E
20:00 Napoli vs Liverpool
20:00 Salzburg vs Genk

GROUP F
17:55 Inter Milan vs Slavia Prague
20:00 Borussia Dortmund vs Barcelona

GROUP G
17:55 Lyon vs Zenit St. Petersburg
20:00 Benfica vs RB Leipzig

GROUP H
20:00 Ajax vs Lille
20:00 Chelsea vs Valencia