Pogba has remained an ever-present starter for United in the 2018-19 campaign despite the uncertainty surrounding his future.
"Listen. I joke about Manchester City but they are playing great football", he said.
"Rumours are rumours", Pogba said.
He has also tried to talk down the prospect of a move away from Old Trafford.
However, in a column in the last few days, Phil Thomas believes if any one of Mourinho or Pogba is going to quit soon, it will be the manager.
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The former United youth player returned to the club after four years with Juventus, signing for a then world record £89m fee in 2016.
One thing I can assure you: I will always give 100 per cent, no matter which coach I always give everything, I cannot say more.
The Mirror report that the 1998 World Cup winning star has told close friends that he is expecting a call from Manchester United amidst Mourinho's tribulations at the club.
It wouldn't be the first time the two Manchester clubs had gone head-to-head for a big name signature after United gazumped the Citizens in the race for Alexis Sanchez during the winter transfer window last season.
Pogba did little to cool rumours with what appeared to be subtle criticism of manager Jose Mourinho following United's opening-day win over Leicester.
"I think what's happening is two massive egos, and [neither] of them are backing down right now", he told Sky Sports.