77.6
Exit Velocity (max)
10/12/25
CLASS OF 2029
OF
LHP
Charles
Heppermann
St. Dominic (HS) • MO
5' 11" • 155LBS
L/L • 15yr 1mo
5' 11" • 155LBS
L/L • 15yr 1mo
Commitment
UNCOMMITTED
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Best Of Stats
66.1
Exit Velocity (avg)
10/12/25
203
Distance (max)
10/12/25
57
Sweet Spot %
10/12/25
8.26
60-yd
10/12/25
-
30-yd
-
10-yd
-
Run speed (max)
-
INF Velo
78
OF Velo
10/12/25
-
C Velo
-
Pop Time
Fastball
76.2
Velocity (max)
10/12/25
74.4 - 76.1
Velo Range
10/12/25
2166
Spin Rate (avg)
10/12/25
Changeup
71.9 - 73.7
Velo Range
10/12/25
1575
Spin Rate (avg)
10/12/25
Curveball
61.1 - 64
Velo Range
10/12/25
1883
Spin Rate (avg)
10/12/25
Positional Tools
2025
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
8.26
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
78.0
Power / Speed Score
A simple calculation that divides the athlete’s Exit Velocity Max by the athlete’s 60 Yard Dash time for the given event year. For example, 98 MPH / 7.00s = 14.00.
9.4
Hitting
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
77.6
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
66.1
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
203
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
138
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
30.2892
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
Legacy Scout Day
Oct 12, 2025
Trackman - Hitting
77.6
Exit Velocity (max)
66.1
Exit Velocity (avg)
138
Distance (avg)
203
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
Pitching
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
76.2
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
75.2
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).
2166
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.
28.8
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).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
62.5
Curveball
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).
1883
Curveball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
72.8
Changeup
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).
1575
Changeup
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Legacy Scout Day
Oct 12, 2025
Trackman - Fastball
76.2
Velocity (max)
74.4 - 76.1
Velo Range
74.9
Eff Velocity (avg)
2,247
Spin Rate (max)
2,166
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
64.1
Velocity (max)
61.1 - 64.0
Velo Range
61.7
Eff Velocity (avg)
2,006
Spin Rate (max)
1,883
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
73.7
Velocity (max)
71.9 - 73.7
Velo Range
72.7
Eff Velocity (avg)
1,648
Spin Rate (max)
1,575
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
Pitching Velos
Game Performance
Vizual Edge
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
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Physical
2025
Grip Strgth (LH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Grip Strgth (RH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.