The transfer window may be closed, but rumours and speculation continue to swirl as Manchester City eye possible January reinforcements.

The champions have suffered injury problems in defence during the first half of the campaign and could look to strengthen in that area as they bid to win a third straight Premier League crown and challenge for the Champions League.

Here, Sports Mole rounds up the latest news on possible comings and goings at the Etihad.

Tuesday morning's headlines:

Manchester City to bid for Barcelona defender Samuel Umtiti in January?
Manchester City are reportedly considering whether to launch an approach for Barcelona defender Samuel Umtiti during the January transfer window. Read more.

Manchester City 'decide against Jadon Sancho offer'
Manchester City are not interested in re-signing Jadon Sancho from Borussia Dortmund, according to a report. Read more.

Manchester City, Manchester United, Chelsea considering Samuel Umtiti swoop?
Barcelona centre-back Samuel Umtiti is a transfer target for Manchester City, Manchester United and Chelsea, according to a report. Read more.

Real Madrid 'must raise £84m to avoid Financial Fair Play punishment'
Real Madrid reportedly need to generate more than £84m this season to avoid a Financial Fair Play punishment, affecting their chances of signing Man United's Paul Pogba. Read more.