Ask the average person to measure a pitcher's skill with a singular statistic. How many would spit his earned run average, or ERA, back at you?
Even in today's numbers-heavy game, long-standing measures such as ERA remain in the forefront of many people's minds; familiarity exercises much influence.
Here's the problem: ERA might be an accurate measure of what has transpired during a specific, past period of time -- most frequently a single season -- but it is one ...
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