Determining this metric involves dividing the number of strikeouts a pitcher records by the total number of batters faced, then multiplying by 100 to express the result as a percentage. For example, a pitcher who strikes out 10 batters in a game where they faced 30 batters has a percentage of 33.3%.
This measure serves as a key indicator of a pitcher’s ability to retire batters via the strikeout, a desirable outcome in baseball. A high percentage suggests dominance and the ability to control the at-bat. Historically, it has become increasingly important, reflecting a league-wide trend toward higher strikeout totals. This metric is essential for evaluating pitching performance at all levels, from youth leagues to professional baseball.