Earned Run Average @TheOnDeckCircle

Earned Run Average @TheOnDeckCircle

Uploaded April 2011 | Updated September 2026, 2 weeks ago

This video explains what Earned Run Average (ERA) is and how to calculate it.

All diagrams were created by me, pictures are from the Wikimedia Commons. Recorded using CamStudio (camstudio.org/).

Earned Run Average

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Earned Run Average