The 32-year-old Dutchman is the fourth new signing for the club, following Andwele Slory, Tim De Cler and Luigi Bruins.
Van Bronckhorst spent four seasons with the Spanish giants, where he has won the Champions League, two Primera Liga titles and a Spanish Supercup.
© Copyright PA Sport Ltd 2007, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms