As a result, the French boss left Pogba out of the side against Colombia and is prepared to support Mourinho's approach to trying to get the best out of a player that cost £89m.
Pogba then netted one for himself just after the break with a sumptuous curling free-kick from around 30 yards out.
The French visitors dominated a Russian team weakened by injuries and Mbappe scored the opener in the 40th minute, leaving defender Roman Neustaedter stranded before shooting calmly past Andrei Lunyov in the Russian goal.
Pogba doubled the advantage four minutes after the interval with a magnificent free-kick which curled into the bottom corner past the diving Lunev.
Pogba hadn't grabbed a goal and an assist in a game for United since November 18 of previous year - the last time he actually scored a goal.
'Strong signal to Kremlin' as North Atlantic Treaty Organisation and 26 countries expel Russian diplomats
Russian Federation had already expelled 23 British diplomats after the United Kingdom expelled the same number over the poisoning. Numerous countries to follow suit on Monday said they did so out of solidarity with the British government.
"He was also playing a "comeback" match because it's been a while since he played a full game".
"Apart from the free kick, he showed creativity and quality of pass, he has that in his locker".
Mbappe sealed the win seven minutes from fulltime with his second goal of the night.
According to a Yahoo source: "Jose likes the player, but the player does not have his head in football".
"So close to the World Cup, questions are being asked as to why it wasn't dealt with as it occurred during play".
With two and a half months until Russian Federation opens the World Cup against Saudi Arabia in Moscow, the team has not won any of its last five games.
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