The holder of the Ballon d'Or has been out for nearly two months
The concern is not related to problems earlier in the season
Fourth state-aid case launched around the funding for new San Mames Stadium
Diego Costa scored twice as Atletico Madrid beat Valencia 3-0 to maintain their winning home run this season and keep pace with Barcelona at the top of La Liga.
Manuel Pellegrini's side have racked up 41 goals in 10 home games
Neither Swansea City nor Wigan Athletic got the results they needed to seal a place in the knockout stages of the Europa League on Thursday night.
Fulham fell to a fifth successive defeat on Saturday despite the much-publicised arrival of Rene Meulensteen as head coach - an appointment under-fire boss Martin Jol believes will soon pay dividends.
Striker has not played a single minute this season
A look ahead to this tonight’s Europa League tie at White Hart Lane
A look ahead to this tonight’s Europa League tie in Russia
The Swans sit top of Europa League Group A but pre-season predictions of top-six form is yet to materialise
Italian is keen on bringing the 28-year-old to Turkey after his demotion down the pecking order under David Moyes
In-form midfielder sends Arsène Wenger’s side two points clear at top of table
The Spaniard is believed to be concerned about his World Cup chances after slipping down Jose Mourinho's pecking order
Lee Clark's side will face Stoke City in the next round
The sides meet in the third round of the Capital One Cup tonight