Following Rob Holding's injury earlier this month, Arsenal will undoubtedly be on the lookout for a new centre-back this – on that note, here's a look at four centre-backs the Gunners could sign come January:
Gary Cahill is yet to start a Premier League game this season having been handed just 21 minutes of playing time by Italian tactician Maurizio Sarri. Strangely enough, despite evidently not being part of Sarri's plans, Cahill still remains the club's official captain – most probably in a bid to avoid any sort of disruptions in the dressing room's harmony.
Cahill is 33-years-old, and whilst that may mean he isn't an ideal centre-half for a club of Arsenal's stature - his experience could prove to be vital for the Gunners should they make a move for him after all. Despite not being in Sarri's plans, he remains a top-class defender capable of doing a great job when called upon.
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Ever since his move from Chelsea to Bournemouth, Nathan Ake has proven to be one of the best young defenders in the Premier League. Boasting of good pace and passing ability as exemplified by his 81% pass completion rate this season, Ake would be an excellent addition to Arsenal's defensive set-up.
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Eric Bailly's debut season at Old Trafford was one to remember. He was undoubtedly Manchester United's best defender last season, often battling it out with strikers of all sizes and keeping things tidy at the back for the Red Devils.
With the January transfer window coming up, what would have been termed an impossible move last season could be quite possible considering Bailly's current standing in the Manchester United squad.
Bailly's got plenty of talent that Unai Emery could work with plus he's got top-level experience having played in important games for United.
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Swiss youngster Nico Elveidi has enjoyed a great season at Borussia Monchengladbach so far having started 14 of the club's league games.
Gladbach currently sit 3rd on the Bundesliga table three points adrift of Bavarian giants Bayern Munich, who also happen to share the same defensive record with Gladbach having let in just 18 goals this term, the joint-second least amount of goals conceded in the first-half of the Bundesliga season.
Elvedi is a strong ball-playing defender as evidenced by his 91.1% pass success rate – he's also quite good in the air as he currently averages 2.6 won per 90 minutes.
He'd be an excellent addition to Unai Emery's back three considering he's good at distributing the ball.