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December 20, 2010

BP Unfiltered: What does Jeremy Jeffress throw?

by Mike Fast

A look at the repertoire of Jeremy Jeffress using PITCHf/x data

December 17, 2010

BP Unfiltered: What does Pettitte throw?

by Mike Fast

A look at Andy Pettitte's pitching repertoire

December 16, 2010

Spinning Yarn: Why The Yankees Need Andy Pettitte

by Mike Fast

A look at PitchF/X data illustrates how important it is to the Bronx Bombers that the left-hander put off retirement for at least one more year.

December 9, 2010

Spinning Yarn: The Forkball

by Mike Fast

What are some of the distinguishing characters of one of baseball's most unknown pitches?

November 11, 2010

Spinning Yarn: Pitcher Release Points

by Mike Fast

PITCHf/x data can shed light on pitchers' throwing mechanics.

November 2, 2010

BP Unfiltered: Hisashi Iwakuma PITCHf/x Scouting Report

by Mike Fast

A brief scouting report on Japanese pitcher Hisashi Iwakuma from PITCHf/x data from the 2009 World Baseball Classic

October 26, 2010

BP Unfiltered: More Thoughts on Robo-Umps

by Mike Fast

Considering human umpires and proposed technologies to replace them

Spinning Yarn: Interpreting Pitch Classifications

by Mike Fast

A closer look at what the various pitch types mean and how to approach pitch classification.

October 23, 2010

BP Unfiltered: PitchTrax Wrong, Not Ump

by Mike Fast

PitchTrax locations were incorrect by about 5-6 inches in Friday's Rangers-Yankees Game 6

October 14, 2010

Spinning Yarn: The Glavine Line

by Mike Fast

Attempting to plot the career path of those who may reach the 300-win plateau.