THE BIG HURT: Health grades and risk

BaseballHQ Health scores are a very good proxy for a player’s health risk, but they don’t always tell the whole story. Their simplicity—assigned based on the number of IL days over the past few seasons—makes them easy to understand, and they’re surprisingly good at predicting future injuries. However, there are nuances to injuries, and situations where the number of days on the IL may not reflect key data.

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  For more information about the terms used in this article, see our Glossary Primer.