Four big teams are gearing up for the second leg of the UEFA Europa League quarterfinals.

England's Arsenal and Chelsea, Spain's Valencia and Portugal's Benfica all won the first leg matches of the quarterfinals.

Italy's Napoli, the Czech Republic's Slavia Prague, Spain's Villarreal and Germany's Eintracht Frankfurt are all trailing on the scoreboard and are only expected to reach the semifinals.

Valencia returned from Villarreal's La Ceramica stadium with a 3-1 victory, scoring twice in injury time, which strengthened the team's hopes of earning another Europa trophy.

The winner of the Villarreal/Valencia second-leg clash will face the winner of Napoli-Arsenal match.

Arsenal won 2-0 in the first leg at Emirates stadium against coach Carlo Ancelotti's Napoli team.

Napoli needs a miracle at its home stadium, San Paolo, to advance further in the competition, which it last won in 1989.

The closest Arsenal has ever come to winning the championship was in 2000, when the English side lost in the final against Turkey's Galatasaray.

Fellow English club, Chelsea, is also close to qualifying for the semis, after winning the first leg in Prague, thanks to a goal from Spanish defender Marcos Alonso.

Chelsea wants to maintain the team's dominance over Slavia in the second leg at Stamford Bridge.

Slavia, the underdog, has the drive to become the first Czech Republic team to reach the semis.

The winner between Chelsea and Slavia will take on the winner from Frankfurt and Benfica.

Frankfurt suffered a 4-2 defeat at Estadio da Luz last week and will hope to turn things around against Benfica at home.

The German side, in the top four in the Bundesliga, did not give up in teh clash against the Portuguese league leader.

Benfica wants to get over its Europa League curse, the team has lost all three of the finals it has reached in 1983, 2013 and 2014.

Whichever teams win in the second leg of the quarters will have the hope to of playing in Baku, the Azerbaijani capital is set to host the final match on May 29. EFE