Comments

• To calculate a pitcher's earn run average: ERA = (earned runs X 9) / number of innings pitched

  in How do you calculate a pitcher's ERA? Comment by davester1970 June 2021
• To calculate a pitcher's earn run average: ERA = (earned runs X 9) / number of innings pitched

  in How do you calculate a pitcher's ERA? Comment by davester1970 June 2021
• To calculate a pitcher's earn run average: ERA = (earned runs X 9) / number of innings pitched

  in How do you calculate a pitcher's ERA? Comment by davester1970 May 2021