The transfer window is now open again, with rumours and speculation continuing 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 after seeing their hopes of a third straight Premier League crown fade during the first half of the season.

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

Monday morning's headlines:

John Stones's Manchester City future in doubt?
John Stones's future at Manchester City is reportedly in doubt after the club stalled on commencing talks over a new contract for the player. Read more.

Manchester City 'enter race for Jack Grealish'
Aston Villa captain Jack Grealish emerges as a transfer target for Manchester City, according to a report. Read more.

Flamengo forward Reinier 'set to undergo Real Madrid medical today'
Flamengo forward Reinier is reportedly set to undergo a medical at Real Madrid ahead of completing a transfer to the Bernabeu this month. Read more.