Encyclopedia of Baseball Catchers - Ex-Catcher Managers
Retro Computer Baseball Game Review – APBA Baseball – Baseball Analytics
Blocking the plate - Wikipedia
Measuring Defense: Entering the Zones of Fielding Statistics – Society for American Baseball Research
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To Speak With Masahiro Tanaka, the Yankees' Ace, a Catcher Connects With His Own Roots - The New York Times
One-Hit Wonders by Society for American Baseball Research - Ebook
Utah Historical Quarterly, Volume 71, Number 3, 2003 by Utah Historical Society - Issuu
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On Gerrit Cole, Kyle Higashioka, and personal catchers - Pinstripe Alley
Baseball - New World Encyclopedia
Baseball Americana
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Deconstructing the Catcher: Valuating the Five Tools of the Backstop - The Crawfish Boxes
The Sports Bookie: Bob D'Angelo's Books & Blogs - Bob D'Angelo's Books & Blogs
Encyclopedia of Baseball Catchers - Ex-Catcher Managers
Encyclopedia of Baseball Catchers - Ex-Catcher Manager John Mizerock
Encyclopedia of Baseball Catchers - Ex-Catcher Manager Ned Yost
Encyclopedia of Baseball Catchers - Ex-Catcher Toronto Managers