I don't have an empirical answer to this question, but I can say, like John Milhaven pointed out, that cheetahs are not built to fight. read more
As a result , a Tiger will win against a Lion, lion against a Jaguar, jaguar against a leopard, leopard against a puma and puma against a cheetah. 32.8k Views ยท View Upvoters Francesco Brosolo, I am animal behaviour, student and lover since childhood. read more
To answer your second question with a bit more confidence, Puma and Leopard are related by the way that all cat species are related to one another. However, recent molecular studies indicate that the Puma is closely related to the Jaguarundi and more distantly related to the Cheetah. read more