RA versus ERA 1871-2010: Baseball Databank Data Dump 2.3.1
Earned Run Average distorts the contribution of pitchers in multiple ways, yet it is still widely used. Until everyone gets on board with a Runs Allowed scale, here are the easy conversions.
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Edinson Volquez' ERA Cannot Last
This is based on nearly 1,000 cases since 1999. Essentially it's baserunners per nine rankings of pitchers with at least 150 innings in that season and the correlation to their ERA. I included...
