Despite Arsenal seemingly missing out on Raphinha, they are still rumoured to make a number of signings this summer and could line up in a number of ways next season.
Gabriel Jesus has been signed from Manchester City, with the striker's move expected to be announced at any moment.
Fabio Vieira was signed from FC Porto earlier in the window, the young midfielder joining on a 5-year deal.
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Marquinhos is another who was signed early in the window, however he is not expected to play a large role in the first team next season unless he impresses in pre-season.
Arsenal are chasing Lisandro Martinez, with three bids now submitted to Ajax. They are facing competition from Manchester United, but currently lead the way for the Argentine.
Youri Tielemans is another who is followed by Arsenal, however that interest seems to have cooled while Arsenal focus on other deals.
The Belgian has been chased for a long time by the North London club, and it is likely they return at some point this Summer.
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Mikel Arteta is looking to take his project to the next level this season, and will be hoping to stack his squad with quality as Arsenal prepare to fight for the Europa League, as well as the domestic competitions.
4-2-3-1
Judging from the way Arteta set up his teams last season, it would not be a surprise to see him stick to the 4-2-3-1.
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The back five are clearly the Spaniard's preferred options and Thomas Partey is the natural option at the base of midfield. Where it differs, lies in the left centre-mid and striker positions.
Tielemans is a much better fit for the role Granit Xhaka filled for a lot of last season, allowing the Belgian time on the ball in the left half-space to pull the strings and find passes in between the lines.
Gabriel Jesus is able to drop slightly deeper to combine with Martin Odegaard and the wingers, who will often push on beyond him.
Alex Lacazette fulfilled the same role at times last season, but Jesus' speed in transition will make for a better fit.
4-3-3
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It is believed due to Arteta's similarities to Pep Guardiola, he will eventually move to a 4-3-3 system and we have already seen signs of this.
In fact, the 4-2-3-1 Arteta currently deploys often acts as a 4-3-3 on the pitch, with Xhaka and Odegaard essentially playing as slightly further forward centre-midfielders, ahead of Partey.
A few times last season, Arteta chose to deploy Emile Smith Rowe and Odegaard as dual number eights but without Partey it wasn't overly effective.
Vieira is a potential option for that position too, he is press resistant and a great passer.
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While White and Gabriel seem to be Arteta's favoured centre-backs, target Martinez and William Saliba will add competition and quality to that position should they both be at Arsenal for the season.
Smith Rowe is another option for the left-wing, playing and scoring frequently from that position last season.
4-4-2
The 4-4-2 wouldn't be out of left field as you think.
For a period last season, Arteta chose to play Lacazette and Pierre-Emerick Aubameyang together in a striking partnership.
It was effective and Arsenal enjoyed a good run of form with it, unfortunately Aubameyang's form deteriorated and meant he was dropped, returning Arsenal to the 4-2-3-1.
Partey partnered Sambi Lokonga in that period due to Xhaka's injury. It is unclear if Tielemans would be effective with the likely increased defensive duty but it would certainly be interesting.
Eddie Nketiah recently signed a new contract at Arsenal following a very prolific end to the season. The 23-year-old is constantly improving and his ability to provide competition for Jesus should not be undermined.
Arsenal still have plenty of business to do this summer and we'll need to wait to see which players are signed. However, one thing is sure. Arteta is eager to increase his options next season and it's possible we may see multiple systems and formations deployed as Arsenal look to increase their unpredictability.
Topics: Arsenal, Mikel Arteta, Martin Odegaard, Thomas Partey, Transfers, Gabriel Jesus