And journalist Christian Falk, who works for German newspaper Bild, claims United contacted Bayern over a deal for Boateng on Sunday.
After spending most of the summer complaining about the make-up of his squad and the club's failure to land his preferred transfer targets, one of Jose Mourinho's wishes may be granted before the transfer window shuts this Thursday. "And if we don't make our team better it will be a hard season for us".
However, Arsenal are the latest side to be named as a potential destination for Boateng, who could be set to leave Bayern this summer.
Have your say below.
The Brazilian global is also seeking a move before Thursday's deadline and Willian has been constantly linked with Man Utd ever since Mourinho took charge two years ago and it seems a reunion could finally be on the cards.
Javi Martinez headed home a second-half victor to give Bayern victory in a match they dominated.
"The other clubs who compete with us are really strong and already have fantastic teams".
'The players were, once more, brilliant.
In the absence of many first-team regulars, Mourinho's men sat deep in a passive performance, which was a departure from the earlier scenes at Wembley Stadium, where Manchester City and Chelsea both employed high presses to varying degrees of success in the Community Shield.
There was a moment I was looking to the area and there was Axel [Tuanzebe] centre-back to left, Demetri [Mitchell] left wing-back, [James] Garner on the left of midfield, and [Tahith] Chong.
Jose Mourinho, successful or otherwise, appears intent on making United the tactical counterpoint to their Premier League rivals.