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 fight Real Madrid, Barcelona for Fabian Ruiz'
Napoli midfielder Fabian Ruiz is reportedly at the centre of a three-way fight between Manchester City, Real Madrid and Barcelona. Read more.

Manchester City to hijack Inter Milan's move for Stefano Sensi?
Manchester City could attempt to sign Italian midfielder Stefano Sensi at the end of the season, according to a report. Read more.

Manchester City 'weighing up Dayot Upamecano offer'
RB Leipzig centre-back Dayot Upamecano emerges as a transfer target for Manchester City, according to a report. Read more.