|
In baseball statistics, runs per nine innings (denoted by R/9) is a measure of a pitcher's effectiveness in preventing runs; calculated as: (9 × runs allowed) / (innings pitched). ==See also== * Earned run average 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Runs per nine innings」の詳細全文を読む スポンサード リンク
|