J.B. Hairstone

Bats: ? | Throws: ?

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This site uses the Lahman Baseball Database, which is licensed under Creative Commons Attribution-ShareAlike 3.0 Unported License.

Understanding Our Stats

Learn about PIV (Player Impact Value) — Baseball Data Hub's proprietary statistic measuring offensive impact and pitching dominance relative to league average with year-by-year baseline comparisons for fair historical comparisons across eras.

Data Sources

Game-by-game data courtesy of Retrosheet. The information used here was obtained free of charge from and is copyrighted by Retrosheet. Interested parties may contact Retrosheet at 20 Sunset Rd., Newark, DE 19711.