@brockstempin 
90
Velocity (max)
6/18/24
CLASS OF 2025
RHP
1B
Brock
Stempin
Colonial Forge (HS) • VA
6' 6" • 215LBS
R/R • 18yr 2mo
Travel Team: Havoc Sports 2025
Rankings
2025 National
Rankings available to Premium Subscriber
2025 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
85 - 88
Velo Range
3/03/25
1638
Spin Rate (avg)
6/18/24
Changeup
78 - 79
Velo Range
3/03/25
-
Spin Rate (avg)
Curveball
72 - 73
Velo Range
2/20/23
-
Spin Rate (avg)
Slider
74.3 - 77
Velo Range
6/18/24
1531
Spin Rate (avg)
6/18/24
Positional Tools
Hitting
Hitting
Pitching
2024
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
89.6
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
86.3
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1638
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
19.0
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
75.7
Slider
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1531
Slider
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
2024 VA/DC State Games
Jun 18, 2024
Trackman - Fastball
89.6
Velocity (max)
85.1 - 87.4
Velo Range
85.5
Eff Velocity (avg)
1,806
Spin Rate (max)
1,638
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
77.6
Velocity (max)
74.3 - 77.0
Velo Range
74.6
Eff Velocity (avg)
1,808
Spin Rate (max)
1,531
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Pitch Scores
2024
Fastball
Hop+
A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ of 100 is MLB average.
Fastball
Rise+
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Slider
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Slider
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Pitching Velos
2024
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
90.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
86.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
75.5
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
80.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.5
Game Performance
Vizual Edge
Pitch Ai
Notes
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Positional Profile: RHP/1B
Body: 6-6, 215-pounds. Strong, physical frame.
Delivery: Stretch only delivery with normal effort.
Arm Action: RH. Short arm action from over the top slot.
FB: T90, 85-87 mph. Fastball has riding life. T1806, 1638 average rpm.
SL: 74-77 mph. Slider has sharp break. T1808, 1531 average rpm.