The squad numbers Moises Caicedo will have to choose from if he joins Manchester United

Manchester United may turn their attention to Moises Caicedo this summer and the midfielder could be in line for his pick of several squad numbers, should he agree to a move.

Erik ten Hag is desperate to add quality and depth in midfield early this summer, with Mason Mount identified early as his priority target. However frustration is growing after United saw three bids - the most recent worth up to £55million - rejected by Chelsea.

Caicedo is being considered as an alternative target. The 21-year-old would be more expensive than Mount and could cost around £80m, but there is an acceptance at United that his age and contract status make it a different deal.

Here's a look at some of the squad numbers that Caicedo might have to choose from at Old Trafford:

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No.4: Following Phil Jones' exit after 12 years at United, the No.4 shirt will be available for the first time since 2011. Having previously been donned by midfielder Owen Hargreaves, it could be an option for Caicedo. However Raphael Varane could also lay claim to it, upgrading from his current No.19.

No.7: It would be quite a statement for Caicedo to come in and take the famous No.7 shirt, but it is available following Cristiano Ronaldo's departure in November. MEN Sport revealed that United are considering handing the shirt to Alejandro Garnacho, which would in turn free up his No.49.

No.13: Having previously been worn by Park Ji-sung - one of few players who can match Caicedo's stamina - the shirt has often been taken by reserve goalkeepers, most recently Lee Grant.

No15:Marcel Sabitzer took the No.15 shirt when he arrived on loan from Bayern Munich in January. But focus on midfield