Lukas Podolski of Arsenal celebrates scoring his second goal during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Mesut Ozil (R) of Arsenal vies with John Fleck of Coventry City during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Santi Cazorla of Arsenal celebrates scoring during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Arsene Wenger, manager of Arsenal looks on during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Nicklas Bendtner(R) of Arsenal congratulates Lukas Podolski scoring second goal during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Carl Baker of Coventry City looks dejected after FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Coventry City lost 0-4 . (Xinhua/Wang Lili)

 

Thousands of fans of both clubs put lights on their phones when some of the floodlights went in the first half during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Lukas Podolski(1st,R) of Arsenal vies with players of Coventry City during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Lukas Podolski (R) of Arsenal scores his first goal after passing Joe Murphy, the goalie of Coventry City during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

BRITAIN-LONDON-SOCCER-FA CUP-ARSENAL VS COVENTRY Lukas Podolski(R) of Arsenal scores his first goal after passing Joe Murphy, the goalie of Coventry City during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Lukas Podolski of Arsenal scores his first goal after passing Joe Murphy, the goalie of Coventry City during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Olivier Giroud(L) of Arsenal scores during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Lukas Podolski(R) of Arsenal scores his first goal after passing Joe Murphy, the goalie of Coventry City during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Lukas Podolski of Arsenal celebrates scoring his second goal during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

Olivier Giroud of Arsenal celebrates scoring during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Arsenal won 4-0. (Xinhua/Wang Lili)

 

 Steven Pressley, manager of Coventry City, gives instructions during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Coventry City lost 0-4 . (Xinhua/Wang Lili)

 

Coventry City fans hold signs in protest during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Coventry City lost 0-4 . (Xinhua/Wang Lili)

 

A fan of Coventry City invading the pitch gestures during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Coventry City lost 0-4 . (Xinhua/Wang Lili)

 

Coventry City fans hold signs in protest during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Coventry City lost 0-4 . (Xinhua/Wang Lili)

 

A fan wearing a T-shirt written "KEEP COVENTRY IN COVENTRY" invades the pitch and takes a bow to supporters during FA Cup Fourth Round match between Arsenal and Coventry City at Emirates Stadium in London, Britain on Jan. 24, 2014. Coventry City lost 0-4 . (Xinhua/Wang Lili)