Pitch Grades Arsenal Synergy Deception Pitch Calculator Projections Methodology Research AI Process Changelog

Heads up: All models on this page are in their early stages and should be considered placeholders. The underlying methodology is still being refined — take the specific numbers with a grain of salt.

Stockyard Deception Score

Measures how much harder a pitcher is to hit than expected based on raw pitch characteristics alone. Uses bat tracking residuals (bat speed suppression, swing length shortening) to isolate deception independent of Stuff+, Location+, and Pitching+. 100 = league average, higher = more deceptive. Available 2024+ only.

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Min Innings: 50