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Collapse Rate

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For hitters, Collapse Rate is the percent chance that the player's EqR/27 will decrease by at least 20% relative to the weighted average of his EqR/27 in his three previous seasons of performance. For pitchers, Collapse Rate is the percent chance that a pitcher's EqERA will increase by at least 25% relative to his baseline EqERA over his past three seasons. High Collapse Rates are indicative of downside risk.

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