Skip to main content
Open this photo in gallery:

AC Milan's Antonio Nocerino, left, Philippe Mexes, second left, and Cristian Zaccardo challenge Celtic's Kris Commons during their Champions league Group H soccer match at San Siro stadium in Milan September 18, 2013.MAX ROSSI/Reuters

1 of 19
Open this photo in gallery:

Chelsea's Ashley Cole, left, challenges Basel's Mohamed Salah during their Champions League soccer match at Stamford Bridge in London September 18, 2013.DYLAN MARTINEZ/Reuters

2 of 19
Open this photo in gallery:

Atletico Madrid's Arda Turan, left, in action with Zenit St Peterburg's Axel Witsel, right, during a Group G Champions League soccer match at the Vicente Calderon stadium in Madrid, Wednesday, Sept. 18, 2013.Andres Kudacki/The Associated Press

3 of 19
Open this photo in gallery:

Barcelona's Lionel Messi celebrates scoring a goal against Ajax during their Champions League soccer match at Camp Nou stadium in Barcelona September 18, 2013.ALBERT GEA/Reuters

4 of 19
Open this photo in gallery:

Arsenal's Bacary Sagna, right, challenges Olympique Marseille's Rod Fanni during their Group F Champions League soccer match at the Velodrome stadium in Marseille, September 18, 2013.JEAN-PAUL PELISSIER/Reuters

5 of 19
Open this photo in gallery:

Dortmund's Sven Bender, left, and Napoli's Christian Maggio vie for the ball during their Champions League, Group F, first leg soccer match between Napoli and Borussia Dortmund, at the Naples San Paolo stadium, Italy, Wednesday, Sept. 18, 2013.Alessandra Tarantino/The Associated Press

6 of 19
Open this photo in gallery:

Austria Wien's Kaja Rogulj, left, jumps for the ball with Porto's Eliaquim Mangala, right, and Nicolas Otamendi during their Champions League Group G soccer match in Vienna September 18, 2013.DOMINIC EBENBICHLER/Reuters

7 of 19
Open this photo in gallery:

Chelsea's Gary Cahill, left, challenges Basel's Fabien Frei during their Champions League soccer match at Stamford Bridge in London September 18, 2013.STEFAN WERMUTH/Reuters

8 of 19
Open this photo in gallery:

Steaua Bukarest's Mihai Pintilii challenges Schalke 04's Adam Szalai (R) during their Champions League group E soccer match in Gelsenkirchen September 18, 2013.INA FASSBENDER/Reuters

9 of 19
Open this photo in gallery:

Arsenal's Mathieu Flamini challenges Olympique Marseille's Alaixys Romao during their Group F Champions League soccer match at the Velodrome stadium in Marseille, September 18, 2013.PHILIPPE LAURENSON/Reuters

10 of 19
Open this photo in gallery:

Porto's Josue, left, looks at the ball next to Austria Wien's Tomas Jun during their Champions League Group G soccer match in Vienna September 18, 2013.DOMINIC EBENBICHLER/Reuters

11 of 19
Open this photo in gallery:

Schalke 04's Kevin Prince Boateng reacts during the Champions League group E soccer match against Steaua Bukarest in Gelsenkirchen September 18, 2013.INA FASSBENDER/Reuters

12 of 19
Open this photo in gallery:

Porto's Lucho Gonzalez celebrates after scoring a goal against Austria Wien during their Champions League Group G soccer match in Vienna September 18, 2013.DOMINIC EBENBICHLER/Reuters

13 of 19
Open this photo in gallery:

Chelsea's Willian, left, challenges Basel's Valentin Stocker during their Champions League soccer match against Basel at Stamford Bridge in London September 18, 2013.DYLAN MARTINEZ/Reuters

14 of 19
Open this photo in gallery:

Borussia Dortmund's supporters cheer for their team during their Champions League Group F soccer match against Napoli at San Paolo stadium in Naples September 18, 2013.STEFANO RELLANDINI/Reuters

15 of 19
Open this photo in gallery:

Porto's Lucho Gonzalez celebrates after scoring a goal against Austria Wien during their Champions League Group G soccer match in Vienna September 18, 2013.DOMINIC EBENBICHLER/Reuters

16 of 19
Open this photo in gallery:

Napoli's Gonzalo Higuain, right, celebrates after scoring against Borussia Dortmund during their Champions League Group F soccer match at San Paolo stadium in Naples September 18, 2013.STEFANO RELLANDINI/Reuters

17 of 19
Open this photo in gallery:

Referee Pedro Proenca shows a red card to Borussia Dortmund's goalkeeper Roman Weidenfeller during their Champions League Group F soccer match against Napoli at San Paolo stadium in Naples September 18, 2013.STEFANO RELLANDINI/Reuters

18 of 19
Open this photo in gallery:

Chelsea's Samuel Eto'o, left, challenges Basel's Kay Voser during their Champions League soccer match at Stamford Bridge in London September 18, 2013.STEFAN WERMUTH/Reuters

19 of 19

Interact with The Globe