Bull-baiting is a blood sport involving pitting a bull against dogs with the aim of attacking and subduing the bull by biting and holding onto its nose or neck, which often resulted in the death of the bull.

A blood sport or bloodsport is a category of sport or entertainment that involves bloodshed. Common examples of the former include combat sports such as cockfighting and dog fighting, and some forms of hunting and fishing. Activities characterized as blood sports, but involving only human participants, include the ancient Roman gladiatorial games.