Champions League: Match Day 8

Arsenal's Aaron Ramsey celebrates after defeating Borussia Dortmund in their Champions League Group F soccer match in Dortmund November 6, 2013. REUTERS/Wolfgang Rattay (GERMANY - Tags: SPORT SOCCER)

Borussia Dortmund's coach Juergen Klopp (L) reacts after losing to Arsenal in their Champions League Group F soccer match in Dortmund November 6, 2013. REUTERS/Ina Fassbender (GERMANY - Tags: SPORT SOCCER)

Arsenal's goalkeeper Wojciech Szczesny and team mate Per Mertesacker (R) celebrate after defeating Borussia Dortmund in their Champions League Group F soccer match in Dortmund November 6, 2013. REUTERS/Ina Fassbender (GERMANY - Tags: SPORT SOCCER)

Arsenal's Aaron Ramsey (R)scores a goal past Borussia Dortmund's goalkeeper Roman Weidenfeller during their Champions League Group F soccer match in Dortmund November 6, 2013. REUTERS/Wolfgang Rattay (GERMANY - Tags: SPORT SOCCER TPX IMAGES OF THE DAY)

Arsenal's Mesut Oezil reacts during the Champions League Group F soccer match against Borussia Dortmund, in Dortmund November 6, 2013. REUTERS/Ina Fassbender (GERMANY - Tags: SPORT SOCCER)

Borussia Dortmund's Jakub Blaszczykowski (2nd L) is challenged by Arsenal's Mikel Arteta (L) during their Champions League Group F soccer match in Dortmund November 6, 2013. REUTERS/Ina Fassbender (GERMANY - Tags: SPORT SOCCER)

Borussia Dortmund's Kevin Grosskreutz tackles Arsenal's Aaron Ramsey (R) during their Champions League Group F soccer match in Dortmund November 6, 2013. REUTERS/Ina Fassbender (GERMANY - Tags: SPORT SOCCER)

Chelsea's Demba Ba celebrates after scoring a goal against FC Schalke 04 during their Champions League soccer match at Stamford Bridge in London November 6, 2013. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT SOCCER)

FC Schalke 04's Adam Szalai (R) is challenged by Chelsea's Ramires during their Champions League soccer match at Stamford Bridge in London November 6, 2013. REUTERS/Dylan Martinez (BRITAIN - Tags: SPORT SOCCER)

Chelsea's Samuel Eto'o celebrates after scoring a goal against FC Schalke 04 during their Champions League soccer match at Stamford Bridge in London November 6, 2013. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT SOCCER)

FC Schalke 04 goalkeeper Timo Hildebrand reacts during their Champions League soccer match against Chelsea at Stamford Bridge in London November 6, 2013. REUTERS/Dylan Martinez (BRITAIN - Tags: SPORT SOCCER)

Chelsea's Samuel Eto'o celebrates after scoring a goal against FC Schalke 04 during their Champions League soccer match at Stamford Bridge in London November 6, 2013. REUTERS/Dylan Martinez (BRITAIN - Tags: SPORT SOCCER)

FC Schalke 04's Julian Draxler (C) is surrounded by Chelsea players during their Champions League soccer match at Stamford Bridge in London November 6, 2013. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT SOCCER)

Barcelona's Lionel Messi (L) is congratulated by team mates Xavi (C) and Dani Alves after scoring his second goal against AC Milan during their Champions League soccer match at Nou Camp stadium in Barcelona November 6, 2013. REUTERS/Gustau Nacarino (SPAIN - Tags: SPORT SOCCER)

AC Milan's Kaka reacts after missing a chance to score against Barcelona during their Champions League soccer match at Nou Camp stadium in Barcelona November 6, 2013. REUTERS/Albert Gea (SPAIN - Tags: SPORT SOCCER)

Barcelona's Neymar (L) winks his eye as he congratulates team mate Lionel Messi after scoring a penalty against AC Milan during their Champions League soccer match at Nou Camp stadium in Barcelona November 6, 2013. REUTERS/Albert Gea (SPAIN - Tags: SPORT SOCCER)

Barcelona's Lionel Messi celebrates after scroing a penalty against AC Milan during their Champions League soccer match at Nou Camp stadium in Barcelona Novenber 6, 2013. REUTERS/Albert Gea (SPAIN - Tags: SPORT SOCCER)

Barcelona's Neymar (R) and AC Milan's Riccardo Montolivo challenge for the ball during their Champions League soccer match at Nou Camp stadium in Barcelona Novenber 6, 2013. REUTERS/Albert Gea (SPAIN - Tags: SPORT SOCCER)

Napoli's Gonzalo Higuain (L) celebrates his goal next to Olympique Marseille's goalkeeper Steve Mandanda during their Champions League soccer match at San Paolo stadium in Naples November 6, 2013. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

Olympique Marseille's Andre Ayew (L) challenges Napoli's Dries Mertens during their Champions League soccer match at San Paolo stadium in Naples November 6, 2013. REUTERS/Ciro De Luca (ITALY - Tags: SPORT SOCCER)

Napoli's Gonzalo Higuain (L) celebrates with his teammate Jose Callejon after scoring against Olympique Marseille during their Champions League soccer match at San Paolo stadium in Naples November 6, 2013. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

Olympique Marseille's Andre Ayew celebrates after scoring against Napoli during their Champions League soccer match at San Paolo stadium in Naples November 6, 2013. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

Atletico Madrid's Raul Garcia (L) fights to head the ball with Austria Vienna's Florian Mader (C) and Manuel Ortlechner during their Champions League Group G soccer match at Vicente Calderon stadium in Madrid November 6, 2013. REUTERS/Susana Vera (SPAIN - Tags: SPORT SOCCER TPX IMAGES OF THE DAY)

Atletico Madrid's Diego Costa celebrates scoring against Austria Vienna with teammates Raul Garcia (L) and Juan Francisco Torres "Juanfran" (C) during their Champions League Group G soccer match at Vicente Calderon stadium in Madrid November 6, 2013. REUTERS/Susana Vera (SPAIN - Tags: SPORT SOCCER)

Atletico Madrid's Oliver Torres (L) fights to head the ball with Austria Vienna's Daniel Royer during their Champions League Group G soccer match at Vicente Calderon stadium in Madrid November 6, 2013. REUTERS/Susana Vera (SPAIN - Tags: SPORT SOCCER)

Atletico Madrid's Diego Costa (L) and Austria Vienna's Marin Leovac fall during their Champions League Group G soccer match at Vicente Calderon stadium in Madrid November 6, 2013. REUTERS/Susana Vera (SPAIN - Tags: SPORT SOCCER)

Atletico Madrid's Raul Garcia celebrates scoring against Austria Vienna during their Champions League Group G soccer match at Vicente Calderon stadium in Madrid November 6, 2013. REUTERS/Susana Vera (SPAIN - Tags: SPORT SOCCER)

Steaua Bucharest's Lukasz Szukala reacts after a goal was scored by FC Basel during their Champions League Group E soccer match at St. Jakob-Park in Basel November 6, 2013. REUTERS/Ruben Sprich (SWITZERLAND - Tags: SPORT SOCCER)

FC Basel's Marco Streller (L) retrieves the ball from the back of the net after a goal was scored against Steaua Bucharest during the Champions League Group E soccer match at St. Jakob-Park in Basel November 6, 2013. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER)

FC Basel's Mohamed Salah challenges Steaua Bucharest's Florin Gardos (L) during their Champions League Group E soccer match at St. Jakob-Park in Basel November 6, 2013. REUTERS/Ruben Sprich (SWITZERLAND - Tags: SPORT SOCCER)

FC Basel's Fabian Schaer jumps for a header with Steaua Bucharest's Federico Piovaccari (R) during their Champions League Group E soccer match at St. Jakob-Park in Basel November 6, 2013. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER)

FC Basel players attempt to score during the Champions League Group E soccer match against Steaua Bucharest at St. Jakob-Park in Basel November 6, 2013. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER)

Zenit St Petersburg's Oleg Shatov (bottom) lies on the pitch as Porto's Alex Sandro jumps above during their Champions League soccer match at the Petrovsky stadium in St. Petersburg November 6, 2013. REUTERS/Alexander Demianchuk (RUSSIA - Tags: SPORT SOCCER)

Zenit St Petersburg's Aleksandr Kerzhakov (C) reacts as Porto's Eliaquim Mangala (R) and Nicolas Otamendi stand nearby during their Champions League soccer match at the Petrovsky stadium in St. Petersburg November 6, 2013. REUTERS/Alexander Demianchuk (RUSSIA - Tags: SPORT SOCCER)

Zenit St Petersburg's Tomas Hubocan (R) fights for the ball with Porto's Lucho Gonzalez during their Champions League soccer match at the Petrovsky stadium in St. Petersburg November 6, 2013. REUTERS/Alexander Demianchuk (RUSSIA - Tags: SPORT SOCCER)

Zenit St Petersburg's Hulk (L) fails to score a penalty kick as Porto's goalkeeper Helton (front) makes a save during their Champions League soccer match at the Petrovsky stadium in St. Petersburg November 6, 2013. REUTERS/Alexander Demianchuk (RUSSIA - Tags: SPORT SOCCER)

Ajax Amsterdam's goalkeeper Jasper Cillessen reacts after a Champions League soccer match against Celtic at Amsterdam Arena November 6, 2013. REUTERS/Toussaint Kluiters (NETHERLANDS - Tags: SPORT SOCCER)

Celtic's Mikael Lustig and Ajax Amsterdam's Kolbeinn Sigthorsson head the ball during their Champions League soccer match at Amsterdam Arena November 6, 2013. REUTERS/Michael Kooren (NETHERLANDS - Tags: SPORT SOCCER)

Ajax Amsterdam's Lasse Schone celebrates his goal against Celtic during their Champions League soccer match at Amsterdam Arena November 6, 2013. REUTERS/Michael Kooren (NETHERLANDS - Tags: SPORT SOCCER TPX IMAGES OF THE DAY)

Celtic's Charlie Mulgrew (L) and Ajax Amsterdam's Davy Klaassen (R) fight for the ball during their Champions League soccer match at Amsterdam Arena November 6, 2013. REUTERS/Toussaint Kluiters (NETHERLANDS - Tags: SPORT SOCCER)