Pogba, who has a contract until 2021, claims to be happy in England, happy that he is at United at this point of his career and happy with his teammates.
Pogba has questioned Mourinho's tactics in public and the Manchester United boss has stripped the midfielder of his vice-captaincy of the squad.
The French forward wants to leave Old Trafford.
"Whether you like Mourinho or not, Pogba has hardly been absolutely wonderful for Manchester United since joining", Burley told ESPN FC.
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However, matters have escalated in recent weeks, with Pogba criticising the team's style of play, saying they should "attack, attack, attack", especially at home, and Mourinho taking umbrage at the player posting an Instagram video of himself in a jovial mood on the night of the Carabao Cup defeat against Derby County.
Mourinho eventually realised that Pogba had not meant to post it during the match, and instructed United press officer John Allen - who he had earlier called over - to apologise on his behalf.
It's become abundantly clear that the pair's relationship is broken beyond fix and Jamie Carragher thinks it's Pogba who needs to head for the exit door.
Some senior players have distanced themselves from the 25-year-old midfielder, mindful that Mourinho is keeping a close eye on them. The agent also wants to wait until November to see whether Mourinho is still the manager.
It is well documented that Mourinho is not a big fan of Pogba's off-field antics and also his attitude on the field has also angered the Portuguese Manager. The other players who have been caught in the middle of Mourinho's rift with Pogba are growing exhausted of the behaviour of both men and the toxic atmosphere it has created.