The acquisition of the Serbian midfielder in the summer transfer window was one of the keys to the successful game of the "red devils" at the start of the current season.
Satisfied with Matic and the head coach of United Jose Mourinho, who maintains a warm relationship with the player for several years.
"I can not say that for my career I met someone better than Matic," - said the Portuguese in an interview with The Times.
"He was always one of" my guys ", one of those with whom I stayed close even when I did not work together".
"Now he is again in my team, while he has become an even more mature and perfect football player," said Mourinho.
In this season, Matich played all 90 minutes in 4 matches of the Premier League.
Previously, Mourinho commented on the draw of the "Red Devils" in the match against Stoke City.