Group G leaders VfB Stuttgart travel to SC Heerenveen with coach Matthias Sammer aiming for a third victory from their three games.
"We have a good starting position in this competition and we want to keep this. I am not saying that we want to play defensively, our aim is a win there," said Sammer, who has Mathieu Delpierre and Andreas Hinkel available again after injury.
Heerenveen, meanwhile, are hoping to welcome back Finnish international Mika Väyrynen, who was rested last weekend with a hamstring complaint, and Hannu Haarala, who has had a groin injury. However, forward Victor Sikora is still doubtful because of an ingrowing toe nail.
Third faces second as SL Benfica entertain NK Dinamo Zagreb, but while both sides have three points Benfica have played a game more. It will be Ilija Loncarevic's first match as Dinamo coach and Giovanni Trapattoni, his Benfica counterpart, warned: "The result is very important for both teams and we have the home advantage. It will be a very hard match for us because Dinamo lost their last game and now have an experienced international coach. We cannot relax." Trapattoni is missing Portuguese international Miguel due to a knee injury.
As for Loncarevic, who took charge following Nenad Gracan's resignation last Sunday, he has no injury concerns and is expected to field just one forward in Eduardo Da Silva, who has been in excellent form of late. "We are not going there just to defend and battle for a draw," he said. "We must be brave if we want to show we are a good team." KSK Beveren, who have no points after two games, are not playing this week.
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