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 remained inactive during 1975. In 1976, he announced a comeback and stated his intention of securing a rematch with Ali. His first opponent was to be Ron Lyle, who had been defeated by Muhammad Ali in 1975, via 11-th round TKO. At the end of the first round, Lyle landed a hard right that sent Foreman staggering across the ring. In the second round, Foreman pounded Lyle against the ropes and might have scored a KO, but due to a timekeeping error the bell rang with a minute still remaining in the round and Lyle survived. In the third, Foreman