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.

Friday morning's headlines:

Manchester United 'to rival Man City, Tottenham Hotspur for Todd Cantwell'
Manchester United are to rival Manchester City and Tottenham Hotspur for the signature for Norwich City midfielder Todd Cantwell, according to a report. Read more.

Manchester City interested in Chelsea's Tammy Abraham?
Manchester City are interested in making a move for Chelsea striker Tammy Abraham in the coming months, according to a report. Read more.

Middlesbrough sign Patrick Roberts on loan from Manchester City
The 22-year-old made just four appearances for the Canaries. Read more.