The pair worked together at Real Madrid where the club sold him against the will of supporters to Arsenal in 2013.
It is said the La Liga giants felt £42.5million was too good to refuse.
However, Mourinho and Mesut Ozil could link back up at Old Trafford with the German’s situation up in the air in north London.
Jose Mourinho and Mesut Ozil could link up again at Manchester United
Mourinho apparently believes he can get the best out of Ozil if they team up at Manchester United
Ozil is yet to agree a new contract with Arsenal, despite insisting he is happy at the Emirates, and Mourinho is ready to take advantage.
According to the Mirror, a move to United is being plotted for the summer as the Red Devils manager remains a huge admirer of the playmaker.
The 28-year-old has received plenty of criticism for his performances this season but remains a key player for Arsenal.
And Mourinho apparently believes he can get the best out of Ozil if they team up at Manchester United.
Man United transfers: Nine most likely summer signings
Fri, April 7, 2017
Express Sport brings you nine players Manchester United are tipped to sign this summer. Odds provided by Paddy Power
Get Quotes on Home Insurance
1 of 9
Moussa Dembele – 14/1
The ex-Madrid attacker has spoken highly of Mourinho in his autobiography, and an offer could appeal.
But should Ozil switch north London for Manchester, it would certainly destroy his relationship with Arsenal fans following a similar move to Robin van Persie.
Contract talks have been postponed until the end of the season with Arsenal and United in direct competition in the fight for fourth.