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Graph of the Day: Expected Run Values (beta)

If it wasn't for bad luck, I wouldn't have no luck at all. But some of these guys have good luck. Using batted ball types (ground/fly/line/pop), I ignore the actual outcomes (single/double/triple/homer/out) and apply park adjusted expected outcomes. That gives me RVAA and rv100 expected, which I compare to actual to come up with "luck".

This is four graphs in one, click to enlarge. Numbers are in "runs" - positive numbers mean better than expected outcomes (or good luck).