Manchester United have enquired about the availability of Borussia Dortmund's Marc Bartra.
The Daily Star has claimed that manager Jose Mourinho wants to sign the player.
The 26-year-old moved to Germany after six years in the Barcelona first team.
He had to undergo surgery on broke his wrist in the explosion that damaged his club's team bus before their Champions League tie with Monaco.
Mourinho wants to have enough depth in all areas of the pitch ahead of a long campaign in which the Red Devils will be involved in both the English Premier League and Champions League.
And after Victor Lindelof he wants to add a new defender to his squad before the start of pre-season.
