White Sox news, Minor Leagues updates and more

April 23, 2010

Jake Peavy finds his fastball…

Filed under: Chicago White Sox — The Wizard @ April 23, 2010 3:44 am
Tags: ,

Gonzales:

“I’m very happy with my stuff,” Peavy said after failing to retiring a batter in the fifth and being charged with seven earned runs. “My stuff was as good as it can get. Location was a tough thing. Walking seven guys is unacceptable.”

Peavy said he made some changes in his delivery that enabled him to increase his velocity by a few mph.

“It was what we did discover, it was shocking and it made complete sense,” said Peavy, who has 15 strikeouts and 15 walks in 22 innings. “Like I said, there’s no excuse for walking seven guys in any game. I can’t ever remember walking three or four guys in a start. As far as taking a positive, absolutely.

“To be able to use my lower half and get my arm slot back where it needs to be, we had a lot of swings and misses on fastballs. Later in the game, we may have gave away some pitches.”

Pitch F/X says (Peavy’s 4/22 start):

Pitch Statistics (Velocity Histogram)
Pitch Type Avg Speed Max Speed Avg H-Break Avg V-Break Count Strikes / % Swinging Strikes / % Nibbleness Time to Plate
FF (FourSeam Fastball) 91.77 94.5 -6.45 9.77 39 29 / 74.36% 2 / 5.13% 4.90 0.411
CH (Changeup) 84.28 86.4 -8.46 2.43 20 8 / 40.00% 1 / 5.00% 10.16 0.446
SL (Slider) 83.87 84 0.97 1.95 3 2 / 66.67% 0 / 0.00% 1.70 0.447
CU (Curveball) 79.99 82.2 2.39 -2.19 7 5 / 71.43% 1 / 14.29% 5.27 0.468
FC (Cutter) 87.68 89 -0.57 4.87 13 5 / 38.46% 0 / 0.00% 5.38 0.428
FT (TwoSeam Fastball) 92.52 94.9 -9.61 8.12 26 14 / 53.85% 2 / 7.69% 5.53 0.410
Pitch classifications provided by the Gameday Algorithm and may be inaccurate.
Clicking individual pitch types will provide individual velocity histograms for each pitch.

Nibbleness is the arithmetic mean of the distance of each pitch, in inches, from the edge of a normalized strikezone. Lower indicates “more Nibbley”.
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.

Peavy’s fastball was slower in his previous starts:

4/17:

Pitch Statistics (Velocity Histogram)
Pitch Type Avg Speed Max Speed Avg H-Break Avg V-Break Count Strikes / % Swinging Strikes / % Nibbleness Time to Plate
FF (FourSeam Fastball) 88.93 89.7 -9.64 7.05 4 2 / 50.00% 0 / 0.00% 3.51 0.428
SI (Sinker) 89.48 91.5 -10.04 2.44 63 39 / 61.90% 1 / 1.59% 4.55 0.422
CH (Changeup) 78.75 79.9 -9.35 -1.39 6 2 / 33.33% 0 / 0.00% 9.61 0.481
SL (Slider) 83.45 86.4 1.81 2.66 6 1 / 16.67% 0 / 0.00% 8.83 0.450
CU (Curveball) 79.07 81.9 2.95 -3.59 14 7 / 50.00% 2 / 14.29% 6.69 0.477

4/12:

Pitch Statistics (Velocity Histogram)
Pitch Type Avg Speed Max Speed Avg H-Break Avg V-Break Count Strikes / % Swinging Strikes / % Nibbleness Time to Plate
FF (FourSeam Fastball) 89.93 91.2 -6.01 6.57 16 14 / 87.50% 1 / 6.25% 3.94 0.417
CH (Changeup) 83.99 88.3 -8.39 0.09 14 10 / 71.43% 2 / 14.29% 5.35 0.444
SL (Slider) 83.74 86.3 2.63 -0.62 16 13 / 81.25% 1 / 6.25% 4.95 0.445
CU (Curveball) 80.47 82.5 1.64 -3.62 19 9 / 47.37% 5 / 26.32% 12.50 0.463
FC (Cutter) 87.50 88.4 -0.79 3.77 6 3 / 50.00% 0 / 0.00% 2.94 0.424
FT (TwoSeam Fastball) 90.26 92.1 -9.74 3.51 24 12 / 50.00% 1 / 4.17% 5.68 0.416

4/7:

Pitch Statistics (Velocity Histogram)
Pitch Type Avg Speed Max Speed Avg H-Break Avg V-Break Count Strikes / % Swinging Strikes / % Nibbleness Time to Plate
FF (FourSeam Fastball) 90.77 93 -6.51 10.93 44 27 / 61.36% 0 / 0.00% 5.39 0.419
CH (Changeup) 82.74 84.4 -7.84 4.13 5 2 / 40.00% 1 / 20.00% 6.05 0.460
SL (Slider) 82.05 86.1 2.50 3.94 14 11 / 78.57% 0 / 0.00% 5.61 0.459
CU (Curveball) 78.70 80.3 3.84 -2.45 6 1 / 16.67% 0 / 0.00% 13.78 0.480
FC (Cutter) 86.24 88.2 -0.06 5.85 17 12 / 70.59% 2 / 11.76% 4.28 0.438
FT (TwoSeam Fastball) 90.98 92.9 -9.90 8.21 20 14 / 70.00% 1 / 5.00% 6.51 0.419
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