PITCHf/x Articles
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| Publish Date | Author | Title | URL | Language | Website | Description |
|---|---|---|---|---|---|---|
| 2007-04-18 | Sheehan, Joe P. | Another Look at Enhanced Gameday | URL | English | The Hardball Times | about pitch selection, velocity, and classifying pitches for Felix Hernandez and Kevin Millwood. |
| 2007-05-07 | Beamer, John | Under the Skin of Enhanced Gameday | URL | English | The Hardball Times | about the park-to-park accuracy of the PITCHf/x data, particularly release points. |
| 2007-06-06 | Walsh, John | In Search of the Sinker | URL | English | The Hardball Times | one of the definitive articles on classifying pitches. In this process John examines the sinking fastball and pitcher Randy Wolf. |
| 2007-06-26 | Walsh, John | Schilling's Aching Schoulder | URL | English | The Hardball Times | about detecting Curt Schilling's shoulder injury in the Enhanced Gameday data. |
| 2007-07-02 | Beamer, John | A Close Look at Tim Hudson | URL | English | The Hardball Times | about pitcher Tim Hudson and classifying his pitches using a statistical clustering function. |
| 2008-04-02 | Walsh, John | The worst pitches ever | URL | English | The Hardball Times | on the Jonathan Broxton - Ray Durham matchup on September 97, 2007 |
| 2008-04-04 | Fast, Mike | Johnny Cueto’s first game | URL | English | The Hardball Times | about the performance of pitcher Johnny Cueto in the April 3 game |
| 2008-04-10 | Fast, Mike | Real-time pitch identification | URL | English | The Hardball Times | evaluating the MLB pitch identification for nine pitchers in early 2008 |
| 2008-04-14 | Kalk, Josh | Anatomy of a player: Brian Bannister | URL | English | The Hardball Times | a look at pitcher Brian Bannister's adjustments for 2008 |
| 2008-04-14 | Fast, Mike | Liriano's stuff | URL | English | The Hardball Times | about the performance of pitcher Francisco Liriano in the April 13 game |
| 2008-04-15 | Fast, Mike | How will ball tracking analysis change the game? | URL | English | The Hardball Times | a manifesto for the prospects of PITCHf/x and HITf/x analysis |
| 2008-04-20 | Walsh, John | How fast should a fastball be? | URL | English | The Hardball Times | on fastball effectiveness versus speed and location |
| 2008-04-21 | Fast, Mike | What is wrong with Jose Valverde? | URL | English | The Hardball Times | comparing pitcher Jose Valverde's 2008 performance to 2007 |
| 2008-04-21 | Gassko, David | Philosophical Pitch f/x thought of the day | URL | English | The Hardball Times | thoughts on our ability to discern the pitcher's intent and control from PITCHf/x data |
| 2008-04-22 | Kalk, Josh | Do relief pitchers suffer from pitching back-to-back days? | URL | English | The Hardball Times | a study of the speed and movement of pitches from relievers based on days of rest |
| 2008-04-29 | Kalk, Josh | Anatomy of a player: Randy Johnson | URL | English | The Hardball Times | a look at pitcher Randy Johnson's performance in 2008 |
| 2008-04-30 | Fast, Mike | Jack Cust: no such thing as a free lunch | URL | English | The Hardball Times | an examination of Jack Cust's April 2008 slump |
| 2008-05-02 | Fast, Mike | Cust breakout? | URL | English | The Hardball Times | a look at Jack Cust's performance in games of April 30 and May 1 |
| 2008-05-06 | Kalk, Josh | Anatomy of a player: Robinson Cano | URL | English | The Hardball Times | comparing hitter Robinson Cano's 2008 performance to 2007 |
| 2008-05-14 | Kalk, Josh | Anatomy of a pitch: Curveball | URL | English | The Hardball Times | examining the curveball hump |
| 2008-05-21 | Fast, Mike | Strike zone silliness | URL | English | The Hardball Times | on using PITCHf/x data to resolve questions about umpire ball-strike calls |
| 2008-05-22 | Fast, Mike | Drinking from a fire hose | URL | English | The Hardball Times | a report on the PITCHf/x summit |
| 2008-05-22 | Kalk, Josh | Anatomy of a pitch: Slider | URL | English | The Hardball Times | discussing what makes an effective slider and examining pitcher C.C. Sabathia's slider trajectories |
| 2008-05-25 | Carty, Derek | Player spotlight: Johnny Cueto | URL | English | The Hardball Times | a profile of pitcher Johnny Cueto |
| 2008-05-27 | Kalk, Josh | Preliminary aging curve for fastball speed | URL | English | The Hardball Times | about an aging curve for fastball speed |
| 2008-06-03 | Kalk, Josh | Anatomy of a player: Bronson Arroyo | URL | English | The Hardball Times | a look at the pitch repertoire, trajectories, release point, and pitching from the stretch for Bronson Arroyo |
| 2008-06-07 | Fast, Mike | How fast do they work? | URL | English | The Hardball Times | A list of the quickest and slowest working pitchers in early 2008 |
| 2008-06-07 | Gassko, David | Will Joba Chamberlain make a good starter? | URL | English | The Hardball Times | a look at pitcher Joba Chamberlain's repertoire and results |
| 2008-06-10 | Kalk, Josh | How fatigue affects a pitcher’s fastball | URL | English | The Hardball Times | a study on how fatigue affects a pitcher's fastball velocity and movement |
| 2008-06-12 | Fast, Mike | Short work | URL | English | The Hardball Times | An examination of the adage that quicker-working pitchers are supported by better defense |
| 2008-06-16 | Fast, Mike | What? a screwball? | URL | English | The Hardball Times | a look at pitcher Danny Ray Herrera's repertoire, location charts, and pitch trajectories, including views from the batters' boxes |
| 2008-06-17 | Kalk, Josh | What to pack for Denver | URL | English | The Hardball Times | the effect of higher altitude and lower air density on the movement and trajectories of pitches at Coors Field in Denver |
| 2008-06-21 | Kalk, Josh | Anatomy of a player: Phil Hughes | URL | English | The Hardball Times | a look at pitcher Phil Hughes' delivery, repertoire, and pitch trajectories |
| 2008-06-24 | Kalk, Josh | Anatomy of a player: Zach Greinke | URL | English | The Hardball Times | a look at pitcher Zack Greinke's repertoire and pitch usage |
| 2008-06-13 | Lucas, Scott | Analyzing Eric Hurley | URL | English | The Ranger Rundown | an analysis of pitcher Eric Hurley's June 13 start, including location charts and other breakdowns |
| 2007-06-21 | Cameron, Dave | Weaver: Better Stuff? | URL | English | U.S.S. Mariner | about the velocity and movement on Jeff Weaver's pitches. |
| 2008-05-20 | ultxmxpx | Pitch Selection and Outcomes | URL | English | ultxmxpx | links to lists of PITCHf/x data for all pitchers from 2007, with pitches classified |
| 2008-05-23 | Everson, Darren | Baseball's Nerd Machine | URL | English | Wall Street Journal | a report on the PITCHf/x summit and the prospects for the PITCHf/x system |