Walt Disney ‘s streaming service Disney+ is expanding its content offering in Mexico through a new agreement with TV Azteca in its latest content partnership with a free-to-air broadcaster. Under the deal, financial details of which were not disclosed, the upcoming season of TV Azteca ‘s MasterChef 24/7 will be available on Disney+ from May 17.  TV Azteca joins a group of free-to-air broadcasters that Disney+ has started working with in the form of content partnerships, including XSports in Brazil, Atresmedia and RTVE in Spain , I TVX in the U.K. , ARD and ZDF in Germany, SIC in Portugal, and TVING in Japan.   Newly minted Disney CEO Josh D’Amaro  recently outlined  his vision to make Disney+ the “digital centerpiece” of the company.  Last year , Karl Holmes, general manager for Disney+ EMEA (Europe, Middle East, and Africa), emphasized the win-win aspect of content deals with broadcasters.…