Alexander Alberto
Chicago White Sox|P|Bats: R|Throws: R
Pitch Arsenal4 pitch types
FF4-Seam Fastball
A-Usage47.8%
Velocity
99.0 mph
Spin Rate
2139 rpm
Whiff%
29.0%
Put Away%
21.0%
Movement
H: +1.0"
V: +18.0"
SLSlider
AUsage18.6%
Velocity
89.0 mph
Spin Rate
2339 rpm
Whiff%
31.0%
Put Away%
23.0%
Movement
H: +7.0"
V: -5.0"
CHChangeup
AUsage18.6%
Velocity
85.0 mph
Spin Rate
1639 rpm
Whiff%
34.0%
Put Away%
27.0%
Movement
H: -12.0"
V: -9.0"
CUCurveball
AUsage15.0%
Velocity
79.0 mph
Spin Rate
2639 rpm
Whiff%
32.0%
Put Away%
19.0%
Movement
H: +5.0"
V: -13.0"
Pitch Grades
4-Seam Fastball29.0%
A-
Slider31.0%
A
Changeup34.0%
A
Curveball32.0%
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 | 47.8% | 99.0 | 2139 | 1.0" | 18.0" | 29.0% | 21.0% | A- |
SLSlider | 18.6% | 89.0 | 2339 | 7.0" | -5.0" | 31.0% | 23.0% | A |
CHChangeup | 18.6% | 85.0 | 1639 | -12.0" | -9.0" | 34.0% | 27.0% | A |
CUCurveball | 15.0% | 79.0 | 2639 | 5.0" | -13.0" | 32.0% | 19.0% | 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