Arsenal have sent scouts to watch Euro 2016 winner Danilo Periera, according to reports in Portugal.
Granit Xhaka received his third red card of the season at the weekend prompting calls for Arsene Wenger to bolster his midfield options.
Francis Coquelin has struggled to impress while Jack Wilshere's future is still uncertain with the England international on loan at Bournemouth.
Arsene Wenger could be busy in the last week of the January transfer window
Arsenal sent scouts to watch Danilo Pereira in action for Porto
And Portuguese newspaper A Bola have reported that Arsenal sent scouts to watch Pereira who scored for Porto in their 4-2 win over Rio Ave at the weekend.
The report suggests Arsenal would have to pay £34.5million for his services.
Arsenal are willing to let Chuba Akpom leave on loan this month with Steve Bruce keen to reunite with the striker, according to reports.
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Akpom has played just once for Arsenal's first team this season and is likely to leave the club this window.
The 21-year-old has been loaned out for the past three years including a spell with a Hull last season.
And the Birmingham Mail suggest Steve Bruce is keen to bring the striker to Villa Park after working together during The Tigers' Championship promotion campaign last season.
Chuba Akpom has been linked with a loan move to Aston Villa
Gedion Zelalem is reportedly close to agreeing a loan move to Holland.
The 19-year-old has been unable to establish himself in Arsenal's first team plans this season since returning from his loan at Rangers last year.
And Dutch outlet De Telegraaf have reported that Zelalem could make a loan move to VVV-Venlo who play in the Dutch second division.
The United States youth international is yet to make an appearance for Arsenal's first team since joining in 2013.