“There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.” -- Ernest Hemingway
Motor racing for me. If it has an engine and wheels, I'll watch them race.
Discussion
Hockey! A beautiful sport where beating the hell out of your opponent is an expected part of the game! Plus, it's on the ice so you stay nice and cool as you open up a can of whoop-ass!