Prospectus Feature: Assessing Barry Bonds’ Collusion Case
5/18In the late 1980s, the MLBPA prevailed in a collusion grievance. Does Barry Bonds have the same evidence on his side?
Prospectus Feature: Introducing Deserved Run Average (DRA) And All Its Friends
4/29Baseball Prospectus is excited to announce what we believe to be the best measure of pitching ever, as well as advances in measuring pitchers' effectiveness stifling basestealers and avoiding errant pitches.
continue reading chevron_rightchevron_rightProspectus Feature: DRA: An In-Depth Discussion
4/29A further explanation of the reasons Deserved Run Average is designed as it is and works as it does.
continue reading chevron_rightchevron_rightProspectus Feature: The Left-Handed Pitcher’s Guide To Jon Lester’s Pickoffs
4/23What goes through a lefty's mind when he's staring at a baserunner.
continue reading chevron_rightchevron_rightProspectus Feature: How To Design A Modern Box Score
4/14How do you fit an entire baseball game in a small rectangle?
continue reading chevron_rightchevron_rightProspectus Feature: HACKING MASS 2015!
4/13Huckabay's Annual Call to Keep Immobility Next to Godliness: Maximus Aggregatus Stiffisimus Sensire (HACKING MASS) is now live for 2015, with the deadline to enter impending.
continue reading chevron_rightchevron_rightProspectus Feature: All Spin Is Not Alike
3/31Separating the useful spin from the rest.
continue reading chevron_rightchevron_rightProspectus Feature: How the Astros do Spring Training
3/27How a process team handles six weeks that many analysts consider worthless.
continue reading chevron_rightchevron_rightProspectus Feature: Scouting With Plate Discipline
3/13Understanding the relationship between plate discipline in the minors and future big-league success.
continue reading chevron_rightchevron_rightProspectus Feature: A.J. Preller’s Offseason and the Toronto Precedent
2/27Is it really possible to build a great team in one winter?
continue reading chevron_rightchevron_rightProspectus Feature: Hacking Mass Wrap
2/17Revisiting the worst performers of 2014 and talking to the year's grand MASSter.
continue reading chevron_rightchevron_rightProspectus Feature: The Golden Age of Immaculate Innings
2/13Is there anything we can learn from the most random, most fleeting of exceptional baseball performances?
continue reading chevron_rightchevron_rightProspectus Feature: The Genius Of Arbitration
2/12How baseball's unique animal pushes negotiations closer together.
continue reading chevron_rightchevron_rightProspectus Feature: The PECOTA Release
1/29Tackling a few relevant topics on PECOTA day.
continue reading chevron_rightchevron_rightProspectus Feature: Quantifying the Wobbly Chair
1/21What makes a manager lose his job?
continue reading chevron_rightchevron_rightProspectus Feature: The 2014 All Out-of-Position Team
1/13The players who played where players like them should not play.
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