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 City 'eye swoop for Dennis Geiger'
Hoffenheim midfielder Dennis Geiger attracts the attention of Manchester City, according to a report. Read more.

Manchester City 'join the race for Reinier'
Flamengo attacker Reinier emerges as a transfer target for Manchester City, according to a report. Read more.

Manchester City lining up new Raheem Sterling contract?
Manchester City are reportedly ready to hand winger Raheem Sterling a contract extension at the Etihad Stadium. Read more.

Agent confirms Real Madrid leading Barcelona in Milan Skriniar race
A representative of Inter Milan defender Milan Skriniar suggests that Real Madrid are well placed to sign the Slovakia international. Read more.

Per Mertesacker "would love" Mikel Arteta reunion amid Unai Emery speculation
Former Arsenal captain Per Mertesacker "would love" to see Mikel Arteta become the club's next manager amid speculation over the future of incumbent boss Unai Emery. Read more.