UCL results

Chelsea 1-2 FC Basel
Schalke 04 3-0 Steaua Buch't
Marseille 1-2 Arsenal
Napoli 2-1 Bor Dortmund
Atl Madrid 3-1 Zenit St P'sbg
Aust Vienna 0-1 Porto
AC Milan 2-0 Celtic
Barcelona 4-0 Ajax