Arsenal are reportedly interested in signing Philippe Coutinho this summer.
The playmaker is currently on loan at Bayern Munich from Barcelona, but the Bundesliga champions will not take up their option to sign the playmaker on a permanent basis.
This has seen the Brazil international linked with a return to the Premier League, with Chelsea, Tottenham, Newcastle and Arsenal all touted as potential destinations.
And according to French outlet Le10 Sport, the Gunners could make the first move.
Head coach Mikel Arteta reportedly 'dreams' of linking up with the midfielder at The Emirates and sees Coutinho as the ideal addition to his squad.
They add that Arsenal have already made plans to meet with Coutinho's agent Kia Joorabchian to discuss a potential transfer, with Arteta fully behind the move.
But what shirt number would the midfielder be allocated if a loan deal was to go through?
Coutinho's favoured option appears to be the no.10, which he took when he joined Bayern Munich, and what he had during his Liverpool days.
The other shirt numbers he has worn is no.7, which he chose after his move to Barcelona, and 29 at Inter Milan.
But which of those aforementioned squad numbers will be available if he does sign for the Gunners at some point in the summer?
Below we take a look to see what numbers are currently free in north London.
No.4
Handed the No.4 shirt ahead of the 2018/2019, Mohamed Elneny barely featured under Emery and was loaned out to Besiktas in the summer.
No.6
The departure of captain Laurent Koscielny to Bordeaux means that the number 6 shirt is now available to any potential new signings.
No.7
Henrikh Mkhitaryan took over this number from Alexis Sanchez two years ago, but hasn't been at his best with the Gunners and is spending the season with Roma in Italy.
The Serie A side are reportedly keen to sign the midfielder on a permanent deal, which could free up a shirt number.
No.12
Stephan Lichtsteiner left Arsenal when his contract expired at the end of last season.
No.13
David Ospina left the club after making the permanent switch to loan club Napoli last summer.
No.18
One of two shirt numbers Nacho Monreal had at the Emirates, but he departed for Real Sociedad in the summer with the Gunners well-stocked for options at left-back.
It was finally the summer when Carl Jenkinson departed after plenty of exit talk over the past few seasons.
He sealed a move to Championship side Nottingham Forest, but missed the chance of a swift reunion as injury ruled him out of the Carabao Cup meeting between the two teams earlier in the campaign.
No.8, No.17, and No.22 are currently taken by Dani Ceballos, Cedric Soares, and Pablo Mari respectively, but all could become available if neither of the trio sign a permanent deal at the Emirates.
