Chin music is a part of the game of baseball. It is meant to brush back a batter or send a message to the opposing team. However, it can also be one of the scariest moments in baseball.
Sometimes a pitch will get in a little too close and hit a batter in the face or on the helmet. This has led to a number of frightening occasions during which players have suffered some serious injuries.
As helmets have gotten better and more sophisticated over the years, they have protected some players from more serious injury when they catch a fastball that ran up a little bit too much.
Here are some of the worst hit-by-pitch moments in Major League Baseball history...