Manchester United midfielder Casemiro says winning the Carabao Cup has justified his move.
Many questioned Casemiro's decision to leave Real Madrid for United last summer.
In an interview with FIFPRO, he said: "It was the end of a period where I was very happy [in Spain] and of course, when you change things, it's always a long-term project.
"Thank God things have gone well and we won a title [League Cup] but we know that we still have a lot of growing to do; we know we still have a lot of work to do to keep growing and to keep winning titles. Without a doubt it is always important to win a title because it has been a long time since the club had that feeling of winning one.
"We know we still have to keep growing, to keep working with a lot of humility. But I believe that with the technical committee, together with the players we have, we can continue to grow much more."
Of his own form, Casemiro also said: "You're always very happy to hear what people say but, in football, you play with 11 players.
"Without the help of my teammates, it would be impossible. I always try to give my best on a day-to-day basis, which is more important than 90 minutes, and always with the help of my teammates.
"You can't talk about one player specifically in a team, you have to talk about the whole team; at Manchester United it's no different. Of course, I know I'm an important player there but, like everyone else, we are all important."