15+ Best Era In Baseball Reviews. In baseball statistics, earned run average (era) is the average of earned runs given up by a pitcher per nine innings pitched (i.e. To put it simply, era is a measure of a pitcher's effectiveness.
Includes ranked list and buying guide.
This is a pitcher's era adjusted to reflect home ballpark and league environment. Dan d'addona has been a. The traditional length of a game). Mike schmidt and reggie jackson would still get their home runs today, he said.