Jose Mourinho complained about Rostov's pitch.
Ibrahimovic, who struck twice against Southampton, said "the more I win the more satisfied I get."
Mourinho's side is sixth in the Premier League.
Eric Bailly is on his way back to Old Trafford.
Victor Lindelof expected to join from Benfica in January.
United beat Crystal Palace on Wednesday.
The Manchester United manager needs a replacement for the departing Eric Bailly.
Mourinho has been involved in two separate incidents with referees in the past month.
The Atletico Madrid center-back is highly-rated across Europe.
United currently sit in eighth place in the Premier League.
Mourinho's team faces Manchester City in the EFL Cup.
Matteo Darmian's agent has hinted at a move from Old Trafford.
Mourinho may need to sell before he buys.
Jose Fonte pledged his allegiance to Southampton in the summer.
Gary Neville believes certain United players are not right for the club.
Jose Mourinho could use another center back.
Mourinho has been tipped to take squad back to the top of the Premier League.
Luke Shaw looks set to start in the Manchester derby.
Eric Bailly moved from Villarreal to Old Trafford in the summer.
Raphael Varane revealed he could have moved to the Premier League in the summer.
Mourinho will lose defender Eric Bailly to the Africa Cup of Nations in January.
Mourinho wants to strengthen his defense.
Pogba said his manager has already made him a better player.
Raphael Varane played under Mourinho in Spain.
He seems happy with his summer arrivals.