Manchester United football chiefs know they need to find a new defensive partner for Harry Maguire.
The Manchester Evening News says United staff know they need a better centre-back to play alongside skipper Maguire.
The club are aware they need to spend in the market to bring in a new defender.
Victor Lindelof, Eric Bailly and Axel Tuanzebe have all failed to convince they are long-term solutions to the centre-back problem.
United have been linked with RB Leipzig's Dayot Upamecano but face competition from Chelsea, Liverpool and Bayern Munich.
