David de Gea Victor Valdes
Victor Valdes (left) has been back-up to David de Gea (right) since joining Manchester United in JanuaryGetty images

Manchester United goalkeeper Victor Valdes has claimed he is "very happy" at Old Trafford but was coy on whether he will remain at the Premier League giants for the long term.

The former Barcelona number one joined Manchester United in January as a free agent after completing his rehabilitation at the club training ground following a serious knee injury.

Having signed an 18-month contract at Old Trafford, he was expected to be back-up to De Gea for the remainder of the season and his potential replacement if the Real Madrid target decides to leave the club in the summer.

But speaking after his first-team debut in the 1-1 draw against Arsenal in 17 May, the 33-year-old has left the door open on his long-term future at the club.

"I am very happy to be here. I have one more year on my contract here. Let's see what happens," Valdes said, according to Manchester Evening News.

"It's been good, all good. My teammates have treated me well here. The coach has treated me well, as well. The truth is that it has all been good."

Recent reports in Spain have claimed De Gea has already agreed personal terms to move to the Santiago Bernabeu at the end of the season.

Asked about that, Valdes responded: "I don't know. You have to ask David about that. I can't answer that. [Real] Madrid, Barcelona, Manchester United are three of the biggest clubs in the world. Everyone in the world wants to play for these clubs. It's a question you would have to put to David. I cannot answer for him."

Meanwhile the Spaniard expressed his delight after making his debut at Old Trafford, although he lamented he was unable to stop Arsenal's late equaliser.

He said: "It felt very good. It all went very quick. David asked to come off very quickly and the next thing I knew I was on the pitch. It was a great feeling to be on the pitch at Old Trafford, the fans welcomed me very well. To come on and be welcomed like that is incredible for a footballer.

"For that reason I am happy. I wasn't happy with the result because it wasn't a good result for us. But I'm happy I made my debut."