Earned Run Average Meaning in Baseball

Earned run average in baseball is a statistic measuring runs allowed by pitchers. The statistic shows average earned runs allowed per nine innings. Calculations multiply earned runs then divide by innings pitched. Lower averages indicate stronger pitching performance. Teams track this number throughout the season. Analysts compare pitchers using this standard statistic. Earned run average focuses only on earned runs allowed. Defensive errors do not influence the calculation. Pitchers with strong control often maintain lower averages. Managers consider the statistic when evaluating pitchers. Fans frequently see the number displayed on scoreboards. The statistic helps summarize overall pitching effectiveness. Long outings with few runs improve the average. Multiple runs allowed increase the number quickly. Coaches analyze trends across many appearances. Consistent performance helps keep the average low. During one game example a pitcher allowed two earned runs. The pitcher completed six innings during the outing. The performance produced a moderate earned run average.