Manchester United manager Louis van Gaal has refused to rule out the possibility of signing goalkeeper Victor Valdes.
Manchester City boss Manuel Pellegrini says he is confident that England goalkeeper Joe Hart will sign a new contract.
The well-travelled 32-year-old has penned a contract until summer 2014 with the Andalusian outfit.
Sporting director Juan Carlos Cordero told club website www.granadacf.es: "We spent time negotiating with Zaragoza for Aranda. There is a transfer fee of 500,000 euros.
"We have signed him for this season and one more. He's a player we wanted and we needed. Has has many attributes that will help Granada."