After an outstanding season, in which Zidane's team achieved a historic double by winning La Liga and the Champions League, the squad are back for the pre-season preparation.
They landed in Los Angeles, and they will begin their tour in California, going on to Florida and Illinois.
During the season preparation, Zidane's side will play against Manchester United, Manchester City and MLS All-Stars within 10 days, between July 23 and August 2.
The Spanish team will travel more than 3500 miles for their friendlies, where Kaka will meet his former team-mates. Bastian Schweinsteiger and David Villa are also expected to appear for the MLS All-Stars team.