Man Utd draw up three-man transfer shortlist for problem position including free agent
![Man Utd draw up three-man transfer shortlist for problem position including free agent](https://i2-prod.mirror.co.uk/incoming/article33318868.ece/ALTERNATES/s615/3_GettyImages-2162819325.jpg)
Manchester United have already signed a central defender and a striker during the summer transfer window but now their focus has turned to recruiting a new left-back