White Sox news, Minor Leagues updates and more

September 17, 2011

Zach Stewart threw 9 changeups tonight. And 7 of the 9 were strikes.

Filed under: Chicago White Sox — The Wizard @ September 17, 2011 11:07 pm
Tags: ,

Not the usual 2 pitch, fastball-slider, combo. Maybe Coop is tweaking something. And it seems the slider was the one that wasn’t up to the job:

Pitch Statistics
Pitch Type Avg Speed Max Speed Avg H-Break Avg V-Break Count Strikes / % Swinging Strikes / % Linear Weights Time to Plate
FF (FourSeam Fastball) 89.35 92.4 -5.10 9.83 53 39 / 73.58% 2 / 3.77% 1.9275 0.421
CH (Changeup) 83.10 84.3 -5.53 5.61 9 7 / 77.78% 2 / 22.22% 0.0519 0.451
SL (Slider) 80.28 86.1 4.51 0.36 31 15 / 48.39% 0 / 0.00% 1.3123 0.468
FT (TwoSeam Fastball) 89.13 90.4 -9.30 7.29 9 5 / 55.56% 1 / 11.11% 0.3477 0.423
Pitch classifications provided by the Gameday Algorithm and may be inaccurate.Pitch Type LWTS correspond to how many runs were likely to score on a particular pitch based on average run expectancy when each pitch was thrown and what happened as a result. Negative scores indicate more effective pitches.Time to Plate is the time, in seconds, that it takes an average pitch of this type to reach the plate. This is strongly correlated with velocity, but also factors in movement.
Inning-by-Inning Pitch Totals
Inning Pitches in Inning Strikes in Inning Strike% in Inning Cumulative Total Pitches Pitch LWTS in Inning
1 19 11 57.89 19 -0.259
2 18 14 77.78 37 0.163
3 19 10 52.63 56 -0.034
4 25 16 64.00 81 1.831
5 21 15 71.43 102 1.938

Stewart:

“Warming up, I felt like I was hitting my spots,” Stewart said. “My breaking stuff was working and my changeup was good. And that was the thing, overall my fastball was OK. I threw the majority of strikes with that. Breaking ball and changeup, I couldn’t throw a strike with the curve and the changeup was erratic. ”

Curve?

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