Pogba has come under fire from critics in recent days after a serious of poor performances.
The France midfielder is reportedly unhappy with where he is being played in the Manchester United midfield while Mourinho is said to want the 24-year-old to do more defensively.
But in his pre-match press conference today, Mourinho launched into an extraordinary defence of his record signing and hit out at “bulls***” claims the media.
“I would like you to tell me which position Pogba played in against Newcastle,” Mourinho asked the media at his briefing ahead of Saturday’s FA Cup clash with Huddersfield.
“Anyone of you want to tell me? OK, midfield, but did we play with one number six and two number eights, or two sixes and one 10?
“We played with one six and two eights. We played with Matic as a six, Lingard on the right side of Matic and Pogba on the left side.
“Do you know which is the Pogba’s preferred system? Four-three-three. Do you know Pogba’s favourite position in a 4-3-3? Eight on the left, so it’s easy and honest and objective to say Paul didn’t play well against Newcastle, but don’t let people read things that are not true.
“You are paid to read the game and explain the game. Don’t say bulls***.”
Mourinho then went on to confirm that Pogba will start against Huddersfield tomorrow in the FA Cup.
He said: “He had a big injury in the season, big injury, he had a big injury, he almost went to surgery like Dembele in Barcelona with a similar injury, the decision was not to do it and go to a conservative treatment, everyone [was] really happy.
“He had a red card against Arsenal, probably in his best match and the team’s best moment.
“He was out for a long long time and in this moment he is not playing well, period. And the team needs him at a good level.
“When he is not a good level, the team is not as good. It happens with every team when the most crucial players are not performing.
“You don’t need to come with we want to sell him, you don’t need that.
“Some people go in that direction, some of them I know for many, many years and their surname is liar, and that’s not nice.
“He plays tomorrow.”