Pitcher Pitcher In baseball, the pitcher is the player who throws the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw a walk. In the numbering system used to record defensive plays, the pitcher is assigned the number 1. The pitcher is often considered the most important player on the defensive side of the game, and as such is situated at the right end of the defensive spectrum. There are many different types of pitchers, such as the starting
Ground ball pitcher extreme ground ball pitcher maintains a ground ball rate of 55% or higher. Pitchers with high ground ball rates sustain lower BABIP, or Batting Average against Balls in Play (Hardball), on ground balls than those with low ground ball rates. Ground ball pitchers rely on pitches that are likely to induce weak contact from the batter, thus resulting in a ground ball. Pitches that are low in the strike zone with high negative horizontal or vertical movement and high velocity, such as splitters, sinkers, curveballs, and two-seam fastballs, result in the highest percentage of ground balls. According to data from