Setting Innings for ERA:
The innings setting is used to calculate the pitchers Earned Run Average. In professional baseball, 9 innings are used to calculate the pitchers Earned Run Average. the Innings setting should be set to the normally scheduled number of innings for the league. The ERA formula is:
Earned Runs / Innings Pitched * Innings Setting.
To change the Innings setting, click on Set Innings, modify the number in the form box, and click Change.