Arsenal were one of the clubs to send scouts to watch Ajax face PSV on Sunday, reportedly with a focus on Cody Gakpo.
Arsenal were briefly interested in signing Calvin Bassey from Rangers before the centreback moved to Ajax in the summer.
Arsenal were left scrambling on deadline day for a midfielder after injuries to a number of key players and it has been revealed they turned down the chance to sign Florian Grillitsch on a free transfer.
Arsenal intended to sign Manchester United defender Lisandro Martinez as a left-back, as they had concerns over his size as a centre-back.
Arsenal decided to pull out of a deal for Lisandro Martinez over the finances of the potential transfer, according to David Ornstein.
Lisandro Martinez is closing in on a move to Manchester United, with reports that he's now chosen to join them from Ajax.
Ajax are now reportedly demanding €60m to sell Arsenal target Lisandro Martinez, though the player is pushing them to negotiate.
Lisandro Martinez is set to make a decision between Arsenal and Manchester United this weekend, but neither club have agreed a fee for him yet.
Manchester United have made a €50m bid to sign Lisandro Martinez from Ajax, though Arsenal are still in the race.
Arsenal target Lisandro Martinez has met with Ajax to reiterate his desire to leave for the Premier League, with no bids accepted yet.
Arsenal are set for another meeting with Ajax over Lisandro Martinez, as they battle Manchester United for the signing.
Manchester United have taken the lead to sign Ajax defender Lisandro Martinez, with some sources reporting Arsenal have pulled out.
Arsenal remain ahead of Manchester United in the race to sign Lisandro Martinez, and they're trying to close the deal quickly.
Manchester United are preparing to compete with Arsenal for the signing of Lisandro Martinez, as the Gunners remain short of Ajax's valuation.
Arsenal have submitted a new £35m bid for Ajax's Lisandro Martinez, which still appears to be under consideration by the Dutch side.
Ajax have set their price for Lisandro Martinez, who is open to joining Arsenal this summer after their first bid was rejected.
Arsenal remain the most probable destination for Lisandro Martinez this summer, with the club making fresh contact with the player's agent.
Arsenal will push to sign Ajax centre-back and Player of the Year Lisandro Martinez in the coming days, according to a report.
Arsenal have made enquiries for Ajax defender Lisandro Martinez, as they remain interested in a lower-priority move for a left-centre-back.
Mark Overmars has resigned from Ajax as their Director of Football with immediate effect after admitting sending 'inappropriate' messages to several female staff.
Andre Onana has chosen to go to Inter Milan and turn down Arsenal, with an announcement expected in February, according to a report.
Marc Overmars has turned down the chance to leave Ajax and join Newcastle United as their new sporting director, according to a report.
Marc Overmars will see his salary increase four-fold should he agree to take the Sporting Director's job at Newcastle United.
According to an Exclusive in the Mirror, Marc Overmars has opened talks with Newcastle United showing that money does indeed, well, talk.
Marc Overmars would reportedly prefer to move to Arsenal over Newcastle but he'd prefer Barcelona over them both.
Newcastle are moving closer to appointing Paulo Fonseca as their new manager and they are keen to lure Marc Overmars from Ajax to take over as their Sporting Director.
Inter Milan aren't considering a move for Bernd Leno, and they're much closer to a deal to sign Andre Onana, according to reports.
Arsenal-linked Andre Onana says as many as 15 clubs want to sign him on a free transfer when his Ajax contract expires next summer.
Arsenal are set to bring in a bit of money when former player Donyell Malen completes his imminent transfer to Borussia Dortmund.
Andre Onana's potential move to Arsenal is looking less and less likely, with the player now agreeing personal terms to join Lyon.
Arsenal still haven't submitted a bid for Andre Onana, as the Ajax goalkeeper starts to draw interest from elsewhere.
Andre Onana is certain to leave Ajax following his ban reduction, with Arsenal in pole position to sign him, according to reports.
Andre Onana is very likely to join Arsenal this summer, with the final fee to be determined after his ban was reduced, according to reports.
Arsenal have made an offer for Andre Onana as they await the results of his disciplinary hearing, according to a report.
Andre Onana has held his online hearing with the Court of Arbitration for Sport amid various developments on a potential move to Arsenal.
Andre Onana is almost certain to leave Ajax this summer, even if his ban stands, with Arsenal leading the race to sign him.
Arsenal are interested in Ajax right-back Noussair Mazraoui, who is approaching the final year of his contract as we enter the summer transfer window.
Arsenal are looking at a cut-price deal for Andre Onana this summer, though their move depends on the goalkeeper's suspension appeal.
Mitchel Bergkamp has signed for Watford after a trial with Arsenal was unsuccessful.
Arsenal confirmed the signing of teenage winger Joel Ideho from Ajax on Tuesday, with the 17-year-old likely to join the u23s this season.