This seems to have happened only yesterday. During the traditional running of the bulls festival of San Fermín in Spain, a participant ended up in a bad way. The bull attacked the man who was badly injured and had to be helped by others.
You can see that not only were his underpants nearly ripped off, but you can see the bull's horn nearly poking out from the inside of his right thigh.
You can see a fairly brutal video of the incident at: