Arsenal entered the summer transfer window as Premier League champions with a shortlist of more than 20 players, a clear signal of their intent to push even further ahead of their rivals. Conditions seemed ideal — several competitors were navigating managerial upheaval, and the sense inside Emirates Stadium was that this was a rare window of opportunity.

Guimaraes emerges as the headline deal

Bruno Guimaraes arrived from Newcastle United for £75m as Arsenal's most prominent signing of the window. He was not the original first choice — interest in Elliot Anderson was real, but the England international was always destined for Manchester City. Sandro Tonali and Bournemouth's Alex Scott were also assessed, before Tonali joined Tottenham Hotspur for a minimum £92m, closing that option.

Aston Villa's Amadou Onana was another name on the list, but a serious knee injury suffered at the World Cup ruled him out. By mid-June, Guimaraes had risen to become the club's primary target, supported by sporting director Andrea Berta's established relationship with the player's representatives — a dynamic that allowed the deal to progress without direct club-to-club contact until the final days.

Manager Mikel Arteta had made clear he wanted proven Premier League-level talent to elevate his starting eleven, and Guimaraes fitted that criteria. However, Berta's preference for working through intermediaries also caused friction elsewhere: promising Leicester City teenagers Jeremy Monga and Louis Page were pursued but did not sign, with Monga eventually joining Manchester City despite appearing close to a move to the Emirates.

Konsa deal sealed at the top

Ezri Konsa was identified as Arteta's first-choice defensive addition. His ability to cover at right-back added to his appeal, with an orthodox right-back such as Ivan Fresneda also considered before Konsa's versatility proved decisive.

The negotiation was not smooth. Arsenal's initial £40m offer was rejected by Aston Villa, and the deal was ultimately concluded at £51m plus £4m in add-ons — reportedly brokered by the ownership groups on both sides. Had the move collapsed, Tottenham Hotspur's Cristian Romero and Micky van der Ven had been identified as alternatives, though Arsenal's north London rivals would not have sold to them.

The combined £126m outlay on Guimaraes and Konsa — both of whom will be 30 by the end of next season — has prompted questions about long-term squad planning. Arsenal, however, believe they paid the market rate for elite experience.

Tzolis impresses; Rogers slips away

Christos Tzolis joined from Club Brugge for around £35m following a recommendation initially made by an intermediary linked to the coaching staff. After scout Maurizio Micheli watched the Greece international play against Sweden in June, the club moved. At 24, Tzolis has already shown encouraging signs at Arsenal.

The window's clearest failure, though, was the pursuit of Aston Villa's Morgan Rogers. Arsenal valued the forward at £80m while Villa initially sought £100m. Berta was confident of closing that gap — but Anderson's £116m move from Nottingham Forest to Manchester City prompted Villa to raise their asking price to £120m. Chelsea ultimately signed Rogers for £117m. Arsenal were reportedly offered the chance to match that fee but declined, holding firm to their £80m valuation.

Vinicius Jr target comes to nothing

Arsenal also made genuine efforts to sign Vinicius Jr from Real Madrid. Both Arteta and Berta were fully committed to the idea, and the club were prepared to fund what would have been a British record transfer and one of the most lucrative contracts in Premier League history. However, sources indicated over the summer that Vinicius did not wish to leave Real Madrid, with concerns also raised that Arsenal's interest may have been used as leverage in his contract negotiations at the Bernabeu. Those concerns proved well-founded when Vinicius signed a new long-term deal in Spain.

Piero Hincapie's loan was made permanent and goalkeeper Illan Meslier arrived on a free transfer to complete Arsenal's business. As they prepare to face Chelsea at home on Sunday, the club consider their summer a qualified success — but the failure to land a marquee attacker leaves Arteta's squad with a question still unanswered.