Northern Irish champions Linfield could play Steaua Bucharest if they beat Gorica of Slovenia in the first qualifier.
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The Spanish side then won the penalty shootout to advance to the final, where it was beaten by Steaua Bucharest.
Swindon, who opened with a 2-2 draw against Steaua Bucharest, finish their tour with a match against FC Zlin on Tuesday night.
If Gerrard is sidelined for four weeks he will miss matches against West Ham, Tottenham, Steaua Bucharest, Aston Villa, Newcastle and FC Utrecht.
Liverpool had an unkind draw too, the Reds put into Group K along with Romania's Steaua Bucharest, Italy's Napoli and Utrecht of the Netherlands.
It ensured that Motherwell will face Steaua Bucharest in the next round in a week's time after the Romanians beat Hungarians Ujpest after two 2-1 wins.
And after limping through against lowly Sparta Prague of the Czech Republic in the last round, they sank to 1-0 defeat in Romania to Steaua Bucharest in the first leg of their tie.
Babel was reportedly close to leaving Merseyside in the summer but he set up Milan Jovanovic's goal in the 1-1 draw at Steaua Bucharest last week and kept his place against Villa when Torres pulled out.
Since the tournament was rebranded for the 2009-10 season, 20 former Champions League winners have taken part in the group stage, including five in this year's field: Liverpool, Inter Milan, Olympique Marseille, PSV Eindhoven and Steaua Bucharest.
Despite seeing his side hit form midweek with a 4-1 win against Steaua Bucharest in the Europa League, Hodgson has demanded an improvement in league form, particularly on the back of a disappointing goalless draw with Birmingham last week.
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