The first time you take a real punch to the face, everything stops. The sharp crack of bone, the dizzying blur of lights, the taste of iron in your mouth — your body screams at you to stay out of the ...

You see a fighter bleeding from a cut over the eye and think: “He’s losing.” The other guy is fresh-faced and composed. Easy round to score, right? Not so fast. Some guys swell up like balloons after ...