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John Hirschbeck

Umpire John Hirschbeck Favored Cubs in Game Three

Ian York uses PITCHf/x and his unique charts to determine if John Hirschbeck called an even game behind the plate in Game Three of the World Series.

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Chase Utley And The Illegal Slide

Damian Dydyn looks at Chase Utley and the illegal slide, and determines that a double play should have been called.

Does a .300 Hitter Actually Hit .300?

Does a .300 hitter actually hit .300? Mike Richmond takes a look to see how long it takes for a hitter's true talent to shine through.

The Effect of Debut Age on a MLB Player’s Offensive Peak...

Ian York uses his unique charts and mountains of data to show that an average MLB player’s offensive peak and decline can be predicted based upon their debut age.

An Interview with Sidearm Hurler Geoff Freeborn

Mike Richmond had a chance to pick the mind of former independent league pitcher Geoff Freeborn who threw sidearm and currently teaches others the delivery.

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Umpires Call

How Did the Umpires Call the Strike Zone in 2016?

Ian York examines how umpires call the strike zone, focusing on the way specific umpires called it in 2016 and who the most and least favorable umps were.
Umpire Strike Zone Changes

Year-to-Year Umpire Strike Zone Changes

Ian York compiled the umpire strike zone changes over the PITCHf/x era of all umpires who pitches 30 games in any one year.
Most Improved Pitches

Most Improved Pitches from the 2016 Season

Ian York uses total bases per 100 pitches to determine the most and least improved pitches from the 2016 season.
Fastball Value

Change in Fastball Value: 2016 Edition

Ian York determines the change in fastball value from 2015 to 2016 using total bases per 100 pitches and offers a ranking of all pitchers from MLB.
Slider Value

Change in Slider Value: 2016 Edition

Ian York determines the change in slider value from 2015 to 2016 using total bases per 100 pitches and offers a ranking of all pitchers from MLB.