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
George Foreman a comeback in the tenth round and hit Moorer with a number of punches. Then a short right hand caught Moorer on the tip of his chin, gashing open his bottom lip and he collapsed to the canvas. He lay flat on the canvas as the referee counted him out. In an instant, Foreman had regained the title he had lost to Muhammad Ali two decades before. He went back to his corner and knelt in prayer as the arena erupted in cheers. With this historic victory, Foreman broke three records: he became, at age 45, the oldest fighter ever