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- Catchers_ERA abstract "Catcher's ERA or CERA in baseball statistics is the earned run average of the pitchers pitching when the catcher in question is catching. Its primary purpose is to measure a catcher's game-calling, rather than his effect on the opposing team's running game. Craig Wright first described the concept of CERA in his 1989 book The Diamond Appraised. With it, Wright developed a method of determining a catcher's effect on a team's pitching staff by comparing pitchers' performance when playing with different catchers.However, Baseball Prospectus writer Keith Woolner found through statistical analysis of catcher performance that \"catcher game-calling isn't a statistically significant skill\". Sabermetrician Bill James, too, performed research into CERA, finding that while it is possible that catchers may have a significant effect on a pitching staff, there is too much yearly variation in CERA for it to be a reliable indicator of ability. James used simulations of catchers with assigned defensive values to directly compare CERAs, which influenced Woolner to perform similar simulations but instead using weighted events to calculate pitchers' runs per plate appearance. Through this, Woolner concluded that even if catchers do have an effect on pitchers' abilities to prevent runs, it is undetectable and thus has no practical usage. He also stated that \"the hypothesis most consistent with the available facts appears to be that catchers do not have a significant effect on pitcher performance\".".
- Catchers_ERA wikiPageID "6711013".
- Catchers_ERA wikiPageLength "2472".
- Catchers_ERA wikiPageOutDegree "12".
- Catchers_ERA wikiPageRevisionID "484714219".
- Catchers_ERA wikiPageWikiLink Baseball_Prospectus.
- Catchers_ERA wikiPageWikiLink Baseball_statistics.
- Catchers_ERA wikiPageWikiLink Bill_James.
- Catchers_ERA wikiPageWikiLink Catcher.
- Catchers_ERA wikiPageWikiLink Category:Catching_statistics.
- Catchers_ERA wikiPageWikiLink Craig_R._Wright.
- Catchers_ERA wikiPageWikiLink Earned_run.
- Catchers_ERA wikiPageWikiLink Earned_run_average.
- Catchers_ERA wikiPageWikiLink Keith_Woolner.
- Catchers_ERA wikiPageWikiLink Pitcher.
- Catchers_ERA wikiPageWikiLink Sabermetrics.
- Catchers_ERA wikiPageWikiLinkText "Catcher's ERA".
- Catchers_ERA wikiPageWikiLinkText "catcher's ERA".
- Catchers_ERA wikiPageWikiLinkText "catcher's earned run average".
- Catchers_ERA wikiPageUsesTemplate Template:Baseball-stub.
- Catchers_ERA wikiPageUsesTemplate Template:Baseball_statistics.
- Catchers_ERA wikiPageUsesTemplate Template:Reflist.
- Catchers_ERA subject Category:Catching_statistics.
- Catchers_ERA hypernym Average.
- Catchers_ERA type Settlement.
- Catchers_ERA comment "Catcher's ERA or CERA in baseball statistics is the earned run average of the pitchers pitching when the catcher in question is catching. Its primary purpose is to measure a catcher's game-calling, rather than his effect on the opposing team's running game. Craig Wright first described the concept of CERA in his 1989 book The Diamond Appraised.".
- Catchers_ERA label "Catcher's ERA".
- Catchers_ERA sameAs Q5051735.
- Catchers_ERA sameAs 捕手防御率.
- Catchers_ERA sameAs m.0gjqbd.
- Catchers_ERA sameAs Q5051735.
- Catchers_ERA wasDerivedFrom Catchers_ERA?oldid=484714219.
- Catchers_ERA isPrimaryTopicOf Catchers_ERA.