Players from Viktoria Plzen celebrate during their Europa League round of32 second leg soccer match against Napoli in Plzen, Czech Republic, Thursday, Feb. 21, 2013.

SSC Napoli's Manuele Calaio, center, challenges Vaclav Prochazka, left, and Pavel Horvath, right, from Viktoria Plzen during their Europa League round 32 second leg soccer match in Plzen, Czech Republic, Thursday, Feb. 21, 2013.

Football - Chelsea v Sparta Prague - UEFA Europa League Second Round Second Leg - Stamford Bridge, London, England - 21/2/13 Eden Hazard celebrates scoring the first goal for Chelsea

John Terry of Chelsea heads back towards goal under pressure from Vaclav Kadlec of Sparta Praha during the UEFA Europa League Round of 32 second leg match between Chelsea and Sparta Praha at Stamford Bridge on February 21, 2013 in London, England.

Football - Chelsea v Sparta Prague - UEFA Europa League Second Round Second Leg - Stamford Bridge, London, England - 21/2/13 David Lafata celebrates after scoring the first goal for Sparta Prague

Steven Gerrard of Liverpool takes an acrobatic shot on the Zenit goal during the UEFA Europa League round of 32 second leg match between Liverpool FC and FC Zenit St Petersburg at Anfield on February 21, 2013 in Liverpool, England.

Joe Allen of Liverpool scores the second goal for Liverpool during the UEFA Europa League Round of 32 second leg match between Liverpool and FC Zenit St Petersburg at Anfield on February 21, 2013 in Liverpool, England.

Hulk of Zenit scores the opening goal past goalkeeper Pepe Reina of Liverpool during the UEFA Europa League round of 32 second leg match between Liverpool FC and FC Zenit St Petersburg at Anfield on February 21, 2013 in Liverpool, England.

Emmanuel Adebayor of Spurs battles with Dejan Lovren of Olympique Lyonnais during the UEFA Europa League Round of 32, second leg match between Olympique Lyonnais and Tottenham Hotspur FC at Stade de Gerland on February 21, 2013 in Lyon, France.

Tottenham Hotspur's Gareth Bale (C) challenges Olympique Lyon's Samuel Umtiti (L) and Lisandro Lopez (R) during their Europa League soccer match at the Gerland stadium in Lyon February 21, 2013.

Football - Olympique Lyonnais v Tottenham Hotspur - UEFA Europa League Second Round Second Leg - Stade de Gerland, Lyon, France - 21/2/13 Tottenham's Gareth Bale (C) shoots at goal

Metalist Kharkiv's Jose Ernesto Sosa (R) fights for the ball with Newcastle United's Sylvain Marveaux during their Europa League soccer match at the Metalist stadium in Kharkiv, February 21, 2013.

Football - Metalist Kharkiv v Newcastle United - UEFA Europa League Second Round Second Leg - Metalist Stadium, Kharkiv, Ukraine - 21/2/13 Newcastle United's Massadio Haidara (R) in action with Metalist Kharkiv's Edmar Aparecida

CFR Cluj's Camora (L) challenges Inter Milan's Javier Zanetti during their Europa League soccer match in Cluj-Napoca, 426 km (265 miles) northwest of Bucharest February 21, 2013.

Inter Milan's Fredy Guarin, left, challenges for the ball with CFR Cluj's Laszlo Sepsi, background and Camora, right, during an UEFA Europa League round of 32 second leg soccer match between CFR Cluj and Inter Milan in Cluj, Romania, Thursday, Feb. 21, 2013.

Rubin Kazan's Jose Rondon (2nd L) shoots while Atletico Madrid's goalkeeper Sergio Asenjo (R) makes a save during their Europa League soccer match at the Luzhniki stadium in Moscow, February 21, 2013.
 

Rubin Kazan's Bebras Natcho (bottom) fights for the ball with Atletico Madrid's Mario Suarez during their Europa League soccer match at the Luzhniki stadium in Moscow, February 21, 2013.
 

MILAN, ITALY - FEBRUARY 14: Fredy Guarin of FC Inter Milan during the UEFA Europa League round of 32 first leg match between FC Internazionale Milano and CFR 1907 Cluj at San Siro Stadium on February 14, 2013 in Milan, Italy.

MILAN, ITALY - FEBRUARY 14: Rodrigo Palacio of FC Inter in action during the UEFA Europa League round of 32 match between FC Internazionale Milano and CFR 1907 Cluj at San Siro Stadium on February 14, 2013 in Milan, Italy.

MILAN, ITALY - FEBRUARY 14: Rodrigo Palacio of FC Inter scores the first goal during the UEFA Europa League round of 32 first leg match between FC Internazionale Milano and CFR 1907 Cluj at San Siro Stadium on February 14, 2013 in Milan, Italy.

NEWCASTLE UPON TYNE, ENGLAND - FEBRUARY 14: Newcastle player Papiss Cisse reacts after his last minute header is saved by goalkeeper Olexandr Goryainov during the UEFA Europa League Round of 32 first leg match between Newcastle United and FC Metalist Kharkiv at St James' Park on February 14, 2013 in Newcastle upon Tyne, England.

NEWCASTLE UPON TYNE, ENGLAND - FEBRUARY 14: Newcastle player Jonas Gutierrez in action during the UEFA Europa League Round of 32 first leg match between Newcastle United and FC Metalist Kharkiv at St James' Park on February 14, 2013 in Newcastle upon Tyne, England.

NEWCASTLE UPON TYNE, ENGLAND - FEBRUARY 14: Newcastle player Moussa Sissoko has his shot saved by goalkeeper Olexandr Goryainov during the UEFA Europa League Round of 32 first leg match between Newcastle United and FC Metalist Kharkiv at St James' Park on February 14, 2013 in Newcastle upon Tyne, England.

Atletico Madrid's Radamel Falcao (L) and Cristian Rodriguez react during their Europa League soccer match against Rubin Kazan in Madrid February 14, 2013.

Rubin Kazan's Gokdeniz Karadeniz celebrates his goal against Atletico Madrid during their Europa League soccer match at Vicente Calderon stadium in Madrid February 14, 2013.

Atletico Madrid's Radamel Falcao fights to head the ball with Rubin Kazan's Cristian Ansaldi (L) during their Europa League soccer match at Vicente Calderon stadium in Madrid February 14, 2013.

LONDON, ENGLAND - FEBRUARY 14: Clint Dempsey of Spurs controls the ball during the UEFA Europa League round of 32 first leg match between Tottenham Hotspur and Olympique Lyonnais at White Hart Lane on February 14, 2013 in London, England.

LONDON, ENGLAND - FEBRUARY 14: Anthony Reveillere Olympique Lyonnais is tackled by Clint Dempsey of Spurs during the UEFA Europa League round of 32 first leg match between Tottenham Hotspur and Olympique Lyonnais at White Hart Lane on February 14, 2013 in London, England.

LONDON, ENGLAND - FEBRUARY 14: Gareth Bale of Spurs celebrates after scoring his team's match winning second goal from a free kick during the UEFA Europa League round of 32 first leg match between Tottenham Hotspur and Olympique Lyonnais at White Hart Lane on February 14, 2013 in London, England.
 

Viktoria's Frantisek Rajtoral scores a goal during an Europa League, round of 32 soccer match, between Napoli and Viktoria Plzen at the Naples San Paolo stadium, Italy, Thursday, Feb. 14, 2013. (AP Photo/Salvatore Laporta)
 

Viktoria Plzen fans celebrate a goal during an Europa League, round of 32 soccer match, between Napoli and Viktoria Plzen at the Naples San Paolo stadium, Italy, Thursday, Feb. 14, 2013. (AP Photo/Salvatore Laporta)
 

Viktoria Plzen players celebrate at the end of an Europa League, round of 32 soccer match, between Napoli and Viktoria Plzen at the Naples San Paolo stadium, Italy, Thursday, Feb. 14, 2013. Viktoria Plzen trashed Napoli 3 - 0. (AP Photo/Salvatore Laporta)
 

Football - Zenit St Petersburg v Liverpool - UEFA Europa League Second Round First Leg - Petrovsky Stadium, St Petersburg, Russia - 14/2/13 General view of Police in the stands Mandatory Credit: Action Images / Peter Cziborra Livepic
 

Zenit St. Petersburg's Aleksandr Anyukov (L, bottom) fights for the ball with Liverpool's Jose Enrique during their Europa League soccer match at the Petrovsky stadium in St. Petersburg, February 14, 2013. REUTERS/Alexander Demianchuk (RUSSIA - Tags: SPORT SOCCER) Picture Supplied by Action Images
 

Liverpool's Luis Suarez, right, in action against Zenit's Aleksandr Anyukov during the Europa League, round of 32, first leg match, between Liverpool FC and Zenit St. Petersburg in St.Petersburg, Russia, Thursday, Feb. 14, 2013. (AP Photo/Dmitry Lovetsky)
 

Chelsea's Marko Marin (R) fights for the ball with Sparta Prague's Tomas Zapotocny during their Europa League soccer match in Prague February 14, 2013. REUTERS/David W Cerny (CZECH REPUBLIC - Tags: SPORT SOCCER) Picture Supplied by Action Images
 

Sparta's Matej Hybs, left, challenges Chelsea's Eden Hazard, right, during their Europa League round of 32 first leg soccer match in Prague, Czech Republic, Thursday, Feb. 14, 2013. (AP Photo/Petr David Josek)