Barcelona have reportedly stepped up their pursuit of Juventus midfielder Miralem Pjanic ahead of this summer's transfer window.
The 30-year-old has again been a key player for the Italian champions this season, scoring three times and providing four assists in 32 appearances in all competitions.
Barca have been strongly linked with the Bosnia-Herzegovina international in recent days, though, and it has been claimed that the Spanish champions have made significant progress in their bid to sign the midfielder.
Pjanic is believed to 'dream' of representing the Catalan giants, who are seemingly hopeful of pulling off a deal for the former Metz youngster ahead of the 2020-21 campaign.
Here, Sports Mole looks at the shirt numbers available for Pjanic at Camp Nou should he arrive during this summer's transfer window.
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Pjanic has worn the number five shirt for Juve since joining the Old Lady from Roma, where he sported the '15' for five straight seasons.
The midfielder wore both '18' and '8' during his time at Lyon, though, and also had the number eight jersey at Metz before completing a move to Les Gones in 2008.
Pjanic has worn the number 18, number eight and number 10 for Bosnia-Herzegovina, meanwhile, but there is no question that '10' would be off the cards at Barca due to a certain Lionel Messi.
The '18' is currently held by Jordi Alba, while Arthur wears '8'. The latter has recently been linked with a move away from the Spanish champions, although the club are allegedly keen to keep hold of him.
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The number five jersey is also unlikely to be available as key midfielder Sergio Busquets has had that particular shirt since the 2014-15 campaign, taking over from the legendary Carles Puyol.
Both the number six and number seven shirt could be available next season as Jean-Clair Todibo and Philippe Coutinho, who are both on loan at the moment, are being tipped to leave this summer.
The number 12 and number 14 are also available, while '16' could potentially be an option for Pjanic as full-back Moussa Wague is currently on loan at Nice and also being tipped to leave on a permanent deal.
In terms of the top 30, '25', '26', '27', '29' and '30' are all currently available, although it would be a surprise to see the Bosnia-Herzegovina international handed a number that high.
The '6' jersey could be an interesting option for Pjanic at Camp Nou next season, although '14' and '16' are also both likely to be under consideration should the move be completed.