Campbell: Sanchez will bring a new dynamic to Arsenal
The Chilean international completed his move to the Emirates Stadium from Barcelona on Thursday for his first foray into English football, transferring for an undisclosed fee after the London-based club beat off competition from the likes of Liverpool and Juventus.
Speaking to FourFourTwo at PUMA's regional Arsenal kit launch on Friday, former England international Campbell said that the 25-year-old had all the qualities required to be a success at the club.
"He's moving from Barcelona, he's done well for Chile and he'll bring a new dynamic to the team," he said.
"He'll give the opposition we'll be playing against something different to think about and that's important, because you have to have people who can put pressure on their backline.
"If you've got only one or two [players who can do that]... and that's keeping them fit as well, you can't knock down anybody.
"If you haven't got too many players who can open [the game] up or put pressure on [the opposition], average teams can come and knock you down and make a real go of it and suddenly it's a hard game.
"But if you've got four or five players, they can't knock down everybody, someone's going to get free!"
Campbell also dismissed concerns that Sanchez was too similar too existing players in the team, as he reasoned the winger would look to make a similar impact as high-profile signing Mesut Ozil had last season.
"He's more mature in the sense that you're getting someone who's almost the finished article," Campbell said.
"So hopefully, you'll get instant kind of returns or you'll see the progression, you'll see within the player that yes he might just have to get used to the system and the pace of the Premiership, but you can see in the maturity of his play and the quality of decisions he's trying to make that once it starts clicking, you start to get that performance and consistency which Arsenal need.