The Spaniard has been in brilliant form for Jose Mourinho’s this term despite their struggles in the league.
Herrera grabbed all the headlines on Sunday in Manchester United’s 2-0 win over Chelsea as he scored one and assisted the other at Old Trafford.
And while Herrera is relishing the opportunity to play regularly for United, he admits he still has to continue performing to his best if he wants to maintain a spot in the side.
Ander Herrera was Manchester United's star performer against Chelsea Ander Herrera 'handball' for Man United against Chelsea Sun, April 16, 2017
Click through the gallery for the first snaps of Ander Herrera in the build-up to Man United's opening goal
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Click for the best snaps of Ander Herrera's crucial handball
I am very thankful to him. This season has been the most regular one for me at the club and that is with Mourinho on the bench
“I am very thankful to him. This season has been the most regular one for me at the club and that is with Mourinho on the bench,” Herrera told United Review.
“I am very happy. He gave me, from the first day, a lot of confidence and he told me I was going to be an important player for him.
Ander Herrera is enjoying his football under Jose Mourinho Manchester United player ratings against Chelsea Sun, April 16, 2017
Express Sport rates how the Manchester United players performed during their win over Chelsea at Old Trafford
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“I will always be thankful but football changes.
“We have great players and Manchester United has the capacity to sign big players, so I cannot sleep. I have to keep working, performing and giving what the manager wants me to give.”