"Er -- have the Bludgers ever killed anyone?" Harry asked, hoping he sounded offhand. "Never at Hogwarts. We've had a couple of broken jaws but nothing worse than that. You don't have to worry about the Quaffle or the Bludgers --" "-- unless they crack my head open." "Don't worry, the Weasleys are more than a match for the Bludgers -- I mean, they're like a pair of human Bludgers themselves."