Manchester United have made initial enquiries about the possibility of signing defender Mohammed Salisu this summer, according to reports.
United are not thought to be prioritising any defensive signings this summer after the successful additions of Harry Maguire and Aaron Wan-Bissaka last year.
However, ESPN report that the club have been concerned about the form of Victor Lindelof alongside Maguire this season, and they could therefore look to bring in reinforcements in defence.
The report names Real Valladolid centre-back Salisu as one player who United have enquired about to sign at the end of the season.
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