HBO World Championship Boxing influx of streaming options and issues with promoters, along with declining ratings and loss of interest in the sport among HBO's subscribers, made continued carriage of the sport untenable. HBO's long-term move to upscale dramatic programming and an ownership transfer to AT&T's WarnerMedia also played a role in the decision, with an HBO executive commenting that "HBO is not a sports network." Famous matches broadcast on "World Championship Boxing" include: The Rumble in the Jungle, in which Muhammad Ali regained the world heavyweight title from George Foreman in Kinshasa, Zaire in 1974; Thrilla in Manila, the final encounter between Muhammad
The Rumble in the Jungle match, so I had to let it go." Foreman eventually concluded, in 2003: "[Ali is] the greatest man I've ever known. Not greatest boxer that's too small for him. He had a gift. He's not pretty he's beautiful. Everything America should be, Muhammad Ali is." The fight was broadcast live pay-per-view on closed-circuit television, also known as theatre television, to venues across the world. The fight had a record estimated 50million viewers on closed-circuit television worldwide, grossing an estimated $100million (inflation-adjusted $million) in revenue. In the United States, the fight had an estimated 3million closed-circuit viewers in 400venues, with tickets