Building off of his look at Wily Mo Pena, Dan revisits his work in visualizing and quantifying plate discipline.
With the Wily Mo era in Boston now over, Dan revisits his first Baseball Prospectus column to see how things may have changed for the young slugger.
Returning to a subject from this past winter, Dan digs in to discuss the all-time greats.
After digging through this data, you’ll no longer wonder why they say hitting is the hardest thing to do in sports.
What happens when pitching in a pinch? Do pitchers have something extra that they can put on the ball when they’re in a jam?
Extending his own interest in the physics of baseball, Dan sits down with a lauded physicist and baseball fan to discuss the topic.
A look umpire tendencies to see how much human error plays a role in calling pitches.
Having documented Willy Taveras’ special talents bunting for base hits, Dan turns to the strategy involved.
Willy Taveras’ run at a bunting record has Dan pondering the when, why, and how often as far as bunting for base hits.
Is it there, or isn’t it? Dan dives into Dice-K’s data to find out.
Parsing the data can help us address questions of bias among umpires in calling balls and strikes.
Dan continues his series using pitch data by examining the case of Tim Wakefield.
Popping the hood on King Felix as a demonstration of what’s possible with PITCHf/x data
How different ballparks affect velocity, whether pitchers use the fastball more early in games, and the challenge of quantifying plate discipline.
Evaluating the strike zone, the umpires, and some large-scale issues with a tremendous new tool.