Wolfsburg are reportedly interested in signing Manchester United's Shinji Kagawa and Kevin de Bruyne of Chelsea during the January transfer window.
The duo have found opportunities hard to come by so far this season, and both could be offered an escape route in the New Year.
Barcelona manager Gerardo Martino is not concerned by suggestions that Lionel Messi is lacking a cutting edge this season.
Messi has scored three times in his last six games, a relative drought for the Argentine, but Martino says he will continue to contribute in other ways.
Arsene Wenger has dismissed suggestions of a feud between himself and Jose Mourinho, and welcomes the chance to pit his wits against the Chelsea manager once more.
Arsenal and Chelsea meet on Tuesday evening for the first time since Mourinho's return to Stamford Bridge in the summer.
Carlo Ancelotti has shouldered the blame for Real Madrid's Clasico defeat on Saturday.
Barcelona beat Madrid 2-0 at the Camp Nou, and Ancelotti has taken responsibility for the loss.
Liverpool defender Daniel Agger insists he has no intention of leaving the club in January.
Agger has failed to regain his place in Brendan Rodgers' starting XI after injury, which has led to speculation that he could pursue a move elsewhere.
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