By Tom Gott Manchester United have agreed personal terms with Paris Saint-Germain midfielder Manuel Ugarte, according to reports, and are now working out the structure of a potential summer transfer. United sealed their second signing of the summer on Thursday as teenage centre-back Leny Yoro followed Joshua Zirkzee through the entrance at Old Trafford, and there’s an appetite to strengthen Erik ten Hag’s squad with a new central midfielder and potentially another centre-back. One stumbling block for United is their need to offload some players before they can make any more signings – Aaron Wa…