MIAMI, July 24, 2014 /PRNewswire/ -- Carnival Cruise Lines, Texas' largest cruise operator, today announced an exclusive, multi-year partnership with the Dallas Cowboys, making Carnival the Official Cruise Line of the legendary NFL franchise and expanding the cruise operator's already wide-ranging commitment to the Texas market. Carnival, which will homeport a third year-round ship in Galveston next year, will enjoy extensive branding and visibility through Dallas Cowboys-owned properties and bring its signature brand of fun to fans.