ぼうぎょりつ
防御率
1. earned run average; ERA
2. Earned run averageIn baseball statistics, earned run average (ERA) is the mean of earned runs given up by a pitcher per nine innings pitched. It is determined by dividing the number of earned runs allowed by the number of innings pitched and multiplying by nine. Runs resulting from defensive errors (including pitchers' defensive errors) are recorded as unearned runs and are not used to determine ERA.
Read “Earned run average” on English Wikipedia
Read “防御率” on Japanese Wikipedia
Read “Earned run average” on DBpedia
Read “Earned run average” on English Wikipedia
Read “防御率” on Japanese Wikipedia
Read “Earned run average” on DBpedia
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