The 24-year-old has not lived up to the £25 million transfer fee that United paid Porto back in 2007 and has admitted that the upcoming English Premier League season is the most important in his career.
Per the Daily Mirror, Anderson stated that:
"I need to prove what I can do. I know the boss and my teammates believe in me, I've just had bad luck.
"I want to improve as much as I can and help the team win trophies. I just want to play. For me this season is very important. I know I have to be very focused on my football.
"I'll still have a laugh and joke with my teammates, but I know I must really be focussed on the job. I really want to show what I can do this season, produce my best and help the team..."
Touted as one of the hottest young prospects in world football when he first made his move to Manchester United, Anderson has significantly regressed and has failed to live up to all the hype and expectation that surrounded the Brazilian.
A plethora of injuries have no doubt hindered his progress, but with inconsistent form on the pitch and some glaring issues off the pitch, Anderson has never quite found the success he and everyone else desired when he arrived.
The 24-year-old midfielder has netted just seven times in 145 appearances for the Red Devils and has fallen significantly down the pecking order in United's midfield. However, manager Sir Alex Ferguson still has faith in the talent that he spotted long ago and believes that Anderson can still be a star at Manchester United.
Per the Daily Mirror again:
"He hasn't really realized his potential, which is there for all to see. He's a fantastic footballer—I just hope he doesn't have the same bad luck that Michael Owen has had throughout his career.
"At 24, obviously he's still young and I'm sure we will get the benefit of that..."
With United recently signing Japanese midfielder Shinji Kagawa from Borussia Dortmund over the summer transfer window, Anderson's chances of starting for the Red Devils early this season are slim.
Antonio Valencia, Ashley Young and Nani will no doubt dominate the wings for United next season and with the likes of Shinji Kagawa, Paul Scholes, Michael Carrick, Tom Cleverly all likely to feature heavily in the middle, Anderson will have to fight for every minute of action that he sees this season.
However, the Brazilian midfielder does recognize this and for what seems like the first time in his career, understands the significance of what is in front of him this year.
"I'm focussed on staying fit now and doing my best to work hard and give 100 percent for the team. I just try to stay positive.
"These things [injuries] happen in football. I'm still young and I can't let myself get down because I've had two bad injuries. It's important to stay happy because I'm at the best club in the world.
"I really enjoyed myself at the start of last season. Me and Tom [Cleverly] did well, but I enjoy playing with all the midfielders—Michael Carrick, Tom, Paul Scholes—I don't mind.
"I just want to play and feel good, and I want to stay fit. Hopefully I can get a run of playing, enjoy my football and help the team.
"We just had a lot of bad luck with injuries last season. If we keep everyone fit, I feel confident we will win the title. Hopefully things will go our way this season..."
With a strong season this year, there is little doubt that Anderson could work his way back in to the starting side for United and be considered one of the top midfielders in world football once more.
The potential is there, the talent is there—if the consistency and health follow, there's no reason why Anderson cannot thrive at Old Trafford once more.
Can Anderson become a dominant midfielder for Manchester United?
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