Aaron Bummer
Atlanta Braves|P|Bats: L|Throws: L
Pitch Arsenal6 pitch types
FF4-Seam Fastball
A-Usage34.3%
Velocity
93.0 mph
Spin Rate
2181 rpm
Whiff%
29.0%
Put Away%
13.0%
Movement
H: -5.0"
V: +15.0"
SLSlider
A+Usage25.7%
Velocity
83.0 mph
Spin Rate
2381 rpm
Whiff%
37.0%
Put Away%
29.0%
Movement
H: +4.0"
V: -5.0"
CHChangeup
AUsage12.4%
Velocity
85.0 mph
Spin Rate
1681 rpm
Whiff%
31.0%
Put Away%
19.0%
Movement
H: -9.0"
V: -9.0"
FCCutter
A-Usage10.5%
Velocity
90.0 mph
Spin Rate
2281 rpm
Whiff%
29.0%
Put Away%
15.0%
Movement
H: +2.0"
V: +7.0"
CUCurveball
A-Usage8.6%
Velocity
79.0 mph
Spin Rate
2681 rpm
Whiff%
26.0%
Put Away%
25.0%
Movement
H: +5.0"
V: -13.0"
FSSplitter
A+Usage8.6%
Velocity
85.0 mph
Spin Rate
1381 rpm
Whiff%
39.0%
Put Away%
23.0%
Movement
H: -5.0"
V: -11.0"
Pitch Grades
4-Seam Fastball29.0%
A-
Slider37.0%
A+
Changeup31.0%
A
Cutter29.0%
A-
Curveball26.0%
A-
Splitter39.0%
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 | 34.3% | 93.0 | 2181 | -5.0" | 15.0" | 29.0% | 13.0% | A- |
SLSlider | 25.7% | 83.0 | 2381 | 4.0" | -5.0" | 37.0% | 29.0% | A+ |
CHChangeup | 12.4% | 85.0 | 1681 | -9.0" | -9.0" | 31.0% | 19.0% | A |
FCCutter | 10.5% | 90.0 | 2281 | 2.0" | 7.0" | 29.0% | 15.0% | A- |
CUCurveball | 8.6% | 79.0 | 2681 | 5.0" | -13.0" | 26.0% | 25.0% | A- |
FSSplitter | 8.6% | 85.0 | 1381 | -5.0" | -11.0" | 39.0% | 23.0% | 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