Reds boss Rafael Benitez revealed on Friday that Dutch midfielder Zenden had turned his ankle during training in Spain this week and could be doubtful for the clash with AC Milan in Athens on Wednesday.

"It will be difficult to say he will be fit for the final now, but I won't say no yet," Benitez said.

Benitez had happier news concerning goalkeeper Jose Reina, who has fully recovered from the shoulder injury he suffered in his side's penultimate Premiership match, at Fulham, which caused him to miss the final league game against Charlton as a precaution.

The Spanish star has trained normally at Liverpool's pre-final base at La Manga in southern Spain to dispel fears over his fitness.

Benitez admitted that Kewell's recent return to action and the Australian's sharpness has given him a real dilemma over who to play on the flanks against the Italians.

"We certainly have options on both wings, these are the areas I am having to consider carefully," Benitez said. "This involves Bolo (Zenden), Harry (Kewell) and Jermaine (Pennant) and I have not yet made my decision."

Kewell has impressed in training in Spain and, even before Zenden's injury worry emerged, was being considered for the left flank slot the Dutchman occupied in both semifinal legs against Chelsea.

Benitez added: "We looked at all the players in the training camp and in every training session people were talking about Harry Kewell.

"He played well for half an hour against Charlton but we needed to see whether he is fit and then decide if he can play from the start or not. There's a lot for me to decide yet.

"What I know at the moment is that we are focused and we will be ready. The players are really thinking about this game and you could see in previous matches that as much as you tried to push them, their minds were already on the final.

"The only thing we can do now is to prepare properly for the game and approach it with confidence because it's easy to become nervous or stressed."

Benitez must also decide whether Pennant plays on the right, but he has no intention of giving any indication on that because it would instantly confirm that Steven Gerrard will play in his favoured central midfield role.

The manager could also use John Arne Riise on the left of midfield with Alvaro Arbeloa at full-back.

Benitez has only Luis Garcia and Fabio Aurelio on the injured list, although Mohamed Sissoko's chances of playing have been handicapped by injury.

The Spanish boss told the club's website, www.Liverpoolfctv, that back-up goalkeeper Jerzy Dudek, the hero of Liverpool's penalty shoot-out win over Milan two years ago, had recovered from a groin injury and would be ready to take his place on the bench in Athens.