How do pitchers best deceive batters with their breaking balls?
Two pitchers, 32 years apart, show how effective nontraditional reliever use can be.
Bill James thought John McGraw was an early genius with the bullpen.
Jeff Passan’s new book is both comprehensive and compelling.
It hasn’t been easy, but he has persevered.
Visualizing pitches by both process and outcome.
Some insights into pitchers’ season-long endurance.
Is it really worth scraping the bottom of the barrel for that third or fourth closer?
A distinctive graphical look at some of baseball’s all-time greats.
It’s time to figure out how we want to treat relief pitchers.
Run scoring was way up in August. Wait, what?
Who really is the worst player ever?
Will throwing harder land a pitcher on the disabled list?
Ten hurlers aching for October baseball.
Two historic Game Seven performances nine decades apart link Madison Bumgarner and Walter Johnson.
The data show that it is high time to give the vertically-challenged their due.
Sometimes, it makes no sense for a team to add another good relief pitcher.
A follow up to a pair of recent columns.
How bad can it get for members of the bullpen?
So … what are they, then?