Barcelona, July 15 -- One year after publicly rejecting an offer to join Barcelona, France forward Antoine Griezmann put on his new blue-and-burgundy shirt and thanked the Spanish champions for giving him a second opportunity.

Griezmann signed his five-year contract with Barcelona on Sunday to complete his move from rival Spanish club Atletico Madrid.

After inking the deal, Griezmann told club president Josep Bartomeu "thanks for giving me another chance."

Griezmann had openly flirted with joining Barcelona last year in a "behind-the-scenes" documentary that followed him for weeks as he contemplated the pros and cons of staying at Atletico or making the jump to Lionel Messi's club.

The 45-minute "The Decision," which was produced by a...