The former Red Devils midfielder believes additions down the spine of the side need to be made at Old Trafford in the next transfer window
Manchester United have been told by Owen Hargreaves that they need to make at least four additions during the summer transfer window.
The Red Devils are expected to be busy when the next opportunity to recruit presents itself.
Ole Gunnar Solskjaer is working with a side inherited from Jose Mourinho and is yet to put his own stamp on things after resisting the urge to tinker in January.