Robert Lewandowski grabbed a hat-trick as Barcelona hammered Viktoria Plzen 5-1 on Wednesday night.
Kessie opened the scoring for the LaLiga giants, before Lewandowski netted three goals despite Jemelka pulling one back for the visitors.
Ferran Torres also on the score sheet for Xavi Hernandez’s men.
Leroy Sane helped himself to a brace as Bayern Munich won 2-0 at Inter Milan.
Liverpool lost 4-1 at Napoli, Ajax thrashed Rangers 4-0 and Atletico Madrid beat FC Porto 2-1.
Richarlison scored twice as Tottenham beat 10-man Marseille 2-0.