The SEAM (synthetic estimated average matchup) application allows users to visualize synthetic spray chart distributions (batted-ball distributions) for any MLB batter-pitcher matchup that has occurred or could have occurred1 in the last four years.

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Authors

Acknowledgments

This work is supported by:

This work was improved by helpful comments and feedback from: Alan Nathan, John Marden, James Balamuta, Dave Zhao


  1. As of SEAM 2.0, in addition to possible matchups that have not occurred, impossible matchups such as Shohei Ohtani (pitcher) versus Shohei Ohtani (batter) are estimable.↩︎