The striker, who signed a new contract with the club on Friday, insists talks over his deal were positive from the start and says he is 'unconcerned' by the club's league position
The 28-year-old signed a new contract with the Premier League champions on Friday which keeps him at Old Trafford until June 2019.
“The future is bright for Manchester United,” Rooney told his official website.
“This is still one of the world’s leading clubs. We have seen this with the signing of Juan Mata in January.
“People have been saying that we may have trouble attracting the world’s best players but I think the fact Mata came here shows this isn’t true.
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“This is a new era for the club, we have a new management team and a great new manager in David Moyes.
“We have some great players and despite our recent form everyone has stuck together and the team spirit is good. We will continue to work hard and get Manchester United to the top where it belongs.”
Rooney also maintains United will stay in the running for a Champions League position, regardless of whether the club, who are currently 11 points behind Liverpool, finish outside of the top four this season.
“I know that’s what some of the press thought but it’s not a massive concern for me,” the striker added.
“This is because I know the direction the club is going in and if we don’t make it this season then we will come back stronger and claim a Champions League spot next season."
Rooney revealed talks leading up to his contract were always “positive” and rubbished reports suggesting he wanted multiple clauses in his new deal.
“If you believe everything you read in the papers it’s because I have been demanding to be captain and want an input into the club’s transfer policy, which is totally laughable and of course untrue,” he continued.
“The talks have taken a while but that’s not unusual. It’s been a difficult time for the club and there has been a lot going on but the talks were positive from the start.
“There was great belief in me from David Moyes, Ed Woodward and the board, and also the Glazers. This made my decision a lot easier and I would like to thank them for that.
“My team-mates also played a big part in my decision. I’d like to thank them for their support and look forward to working with them.
“Most importantly, the fans have always supported me since I joined the club, through the good times and the bad times. They continued this support whilst the talks have been going on and I can’t thank them enough.”