Aroldis Chapman
Boston Red Sox|P|Bats: L|Throws: L
Pitch Arsenal6 pitch types
FF4-Seam Fastball
BUsage42.5%
Velocity
93.0 mph
Spin Rate
2173 rpm
Whiff%
21.0%
Put Away%
15.0%
Movement
H: -5.0"
V: +17.0"
SLSlider
A-Usage16.8%
Velocity
83.0 mph
Spin Rate
2373 rpm
Whiff%
29.0%
Put Away%
21.0%
Movement
H: +6.0"
V: -3.0"
CHChangeup
A+Usage13.3%
Velocity
83.0 mph
Spin Rate
1673 rpm
Whiff%
38.0%
Put Away%
21.0%
Movement
H: -11.0"
V: -7.0"
CUCurveball
AUsage9.7%
Velocity
77.0 mph
Spin Rate
2673 rpm
Whiff%
34.0%
Put Away%
17.0%
Movement
H: +3.0"
V: -11.0"
FCCutter
BUsage9.7%
Velocity
88.0 mph
Spin Rate
2273 rpm
Whiff%
21.0%
Put Away%
17.0%
Movement
H: +2.0"
V: +7.0"
FSSplitter
AUsage8.0%
Velocity
87.0 mph
Spin Rate
1373 rpm
Whiff%
31.0%
Put Away%
25.0%
Movement
H: -5.0"
V: -9.0"
Pitch Grades
4-Seam Fastball21.0%
B
Slider29.0%
A-
Changeup38.0%
A+
Curveball34.0%
A
Cutter21.0%
B
Splitter31.0%
A
Grades based on whiff rate percentile rankings across MLB. A+ = elite (35%+), A = excellent (30%+), B = above average (18%+), C = average (12%+).
Arsenal Breakdown
| Pitch | Usage% | Velo | Spin | H Mov | V Mov | Whiff% | Put Away% | Grade |
|---|---|---|---|---|---|---|---|---|
FF4-Seam Fastball | 42.5% | 93.0 | 2173 | -5.0" | 17.0" | 21.0% | 15.0% | B |
SLSlider | 16.8% | 83.0 | 2373 | 6.0" | -3.0" | 29.0% | 21.0% | A- |
CHChangeup | 13.3% | 83.0 | 1673 | -11.0" | -7.0" | 38.0% | 21.0% | A+ |
CUCurveball | 9.7% | 77.0 | 2673 | 3.0" | -11.0" | 34.0% | 17.0% | A |
FCCutter | 9.7% | 88.0 | 2273 | 2.0" | 7.0" | 21.0% | 17.0% | B |
FSSplitter | 8.0% | 87.0 | 1373 | -5.0" | -9.0" | 31.0% | 25.0% | A |
Pitch data sourced from Statcast via Baseball Savant. Grades are based on whiff rate percentile rankings across all MLB pitchers with 50+ innings pitched. Movement values represent average horizontal and vertical break in inches.
Model: v1.1-glass-box-tb-rampup