PITCHf/x

This section focuses on all things PITCHf/X

Koji Uehara's second-half dominance

9

From July through the end of October, Red Sox closer Koji Uehara dazzled the American League, compiling a 0.58 FIP and a 0.313 WHIP. What changes did Uehara make over the course of 2013 that...

Detroit's other great pitcher and his best pitch

6

Anibal Sanchez was terrific last season, success that was partially built on his changeup usage. The pitch, something that Sanchez has seen improve over the past few years, gives him a tremendous...

How well do umpires call pitches?

10

PITCHf/x data can show how well umpires do at calling balls and strikes.

First and worst: Two-seamers/sinkers of 2013

2

More fun with z-scores, as the best and worst pitch of 2013 series rolls on. This week, we look at two-seam fastballs and sinkers.

Strikes outside the strike zone: skill or luck?

3

Are some pitchers better than others at getting strikes on pitches outside the strike zone?

Examining Ubaldo Jimenez's Unique Approach

9

Ubaldo Jimenez seems to customize his approach to each at-bat depending on the situation he's presented with, and even how the at-bat itself changes. PITCHf/x allows us to examine Jimenez's pitch...

Analyzing Gerrit Cole's dominant September

3

Gerrit Cole dominated in September, but here's the big question: How did Cole breeze through the regular season's final month? Let's dig in.

Contrasts in closing

+

In a role dominated by big fastballs, two closers make their living using a secondary pitch as their primary method of getting hitters out.

Kevin Gausman; Linchpin

6

Is a Kevin Gausman breakout the key to the Orioles' ability to contend in 2014?

Pitch-Type and the Times Through the Order Penalty

7

The times through the order penalty is a real effect that gives batters a significant advantage over starting pitchers during the pitcher's third time through the order. Does this depend on the...

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