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In baseball statistics, earned run average (ERA) is the mean of earned runs given up by a pitcher per nine innings pitched (i.e. the traditional length of a game). 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 omitted from ERA calculations.

AttributesValues
rdfs:label
  • Earned Run Average
  • Moyenne de points mérités
  • Media PGL
  • 防御率
  • Earned run average
  • Earned run average
  • Média de corridas limpas
  • Earned run average
  • 防禦率
  • Earned run average
rdfs:comment
  • La moyenne de points mérités est une statistique de baseball pour évaluer la qualité des lanceurs. Plus cette moyenne est basse, meilleure est la performance du joueur.
  • Nel gioco del baseball, la media PGL (punti guadagnati sul lanciatore) è la statistica che descrive la media di punti concessi da un lanciatore sulla distanza di 9 inning di gioco. Traduzione del termine statunitense ERA ("earned run average"), si ottiene moltiplicando per 9 il numero di punti concesso da un lanciatore nel corso della sua prestazione, e dividendo il prodotto per il numero di inning lanciati.
  • 防御率(ぼうぎょりつ、Earned Run Average / ERA)は、野球やクリケットなどで投手が規定イニングでいくつ自責点を取られるかを平均した数値である。後述のように、数値が低いほどよい。
  • Earned run average (ERA) is een van de statistieken die wordt bijgehouden in het honkbal. Het getal staat voor het aantal runs dat een werper tegen krijgt berekend over een volledige wedstrijd van negen innings. De ERA wordt bepaald door het aantal runs te delen door het aantal geworpen innings vermenigvuldigd met negen. Runs door honklopers die de honken hebben bereikt als gevolg van een fout (ook als het er een van de pitcher was) tellen niet mee in de ERA. Hoe lager de ERA, hoe beter een pitcher presteert.
  • Nas estatísticas do beisebol, média de corridas limpas (ERA; earned run average) é a média de corridas limpas cedidas por um arremessador por nove entradas arremessadas.
  • ERA (Earned run average) — статистический показатель в бейсболе. Показывает уровень подачи питчера, то есть сколько ранов он пропускает в среднем за 9 иннингов. Чем ниже ERA, тем лучше он кидает.
  • 防禦率又稱自責分率(ERA,earned run average)是棒球術語,指投手平均每場球所失的自責分。投手因為被打安打或四壞而讓人上壘(因為野手失誤而上壘的不算),然後又因任何原因讓這上壘的人回來得分(就算換投手,惟壘上那人還是原投手要負責的),此時的得分則為自責分。 若某野手失誤讓人上壘,而該守備足以結束此局者,之後只要有失分,都不算自責分;因為若沒發生失誤,此局可以提早結束,所以不是投手的錯。 防禦率的算法:「自責分×9÷所投局數」 舉例來說,假設美國職棒大聯盟堪薩斯皇家投手王建民本球季累計主投102又2/3局(102局又2人次),責失31分,所以該球季防禦率就是31×9÷102.667=2.72 若單看某一場比賽,自責2分,投球7局又一人(7又1/3局),則防禦率為2×9÷7.333=2.45 防禦率的高低能較明確地反映一個投手的表現(相較於勝投數常受隊友打擊防守表現的影響),一般而言在長期的職棒球季中,防禦率在3至4的投手算是稱職的投手,2至3算是很優秀的投手,2以下則是頂尖的投手。
  • Earned run average (w skrócie ERA) – w baseballu statystyka dla miotacza. Oznacza stosunek liczby runów, które drużyna atakująca zdobyła przeciwko niemu do liczby inningów, które rozegrał do momentu zejścia z boiska, pomnożony przez 9. Na konto miotacza nie zapisuje się jednak runów wynikających z błędów pozostałych graczy obrony, stąd nazwa earned, co można przetłumaczyć jako „zasłużone”.
  • In baseball statistics, earned run average (ERA) is the mean of earned runs given up by a pitcher per nine innings pitched (i.e. the traditional length of a game). 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 omitted from ERA calculations.
  • Earned Run Average (ERA) ist eine Statistik im Baseball, die angibt, wie viele gegnerische Runs (Punkte) ein Pitcher durchschnittlich in neun Innings zulässt. In die Berechnung gehen aber nicht alle Runs ein, die dieser Pitcher abgegeben hat, sondern nur die sogenannten Earned Runs. Gemäß der Scoringregeln werden nur die Runs als Earned Runs gezählt, die ohne die Hilfe von Errors und Passed Balls erzielt werden. Damit soll die Leistung der Defensive herausgerechnet werden, so dass der Earned Run Average nur die Qualität des Pitchings misst. Der Earned Run Average gibt also an, wie viele Punkte eine gegnerische Mannschaft gegen diesen Pitcher erzielen würde, wenn dieser eine volle Partie (ohne Extra-Innings) durchpitchen würde und seine Mannschaft in der Defensive keine Fehler macht.
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