@leathermankoop 21
Hand Speed (max)
6/30/25
CLASS OF 2028
C
3B
Kooper
Leatherman
Liberty-Benton (HS) • OH
6' 2" • 185LBS
R/R • 15yr 7mo
Travel Team: State Line Stars
6' 2" • 185LBS
R/R • 15yr 7mo
Travel Team: State Line Stars
Rankings
2028 National
Rankings available to Premium Subscriber
2028 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
70.3
Bat Speed (max)
6/30/25
14.1
Rot. Acc (max)
6/30/25
35
Hard Hit %
6/30/25
94.8
Exit Velocity (max)
6/30/25
87.2
Exit Velocity (avg)
6/30/25
353
Distance (max)
6/30/25
76
Sweet Spot %
6/30/25
7.63
60-yd
6/30/25
4.23
30-yd
6/30/25
1.81
10-yd
6/30/25
18.0
Run speed (max)
6/30/25
-
INF Velo
-
OF Velo
75
C Velo
6/30/25
2.00 - 2.04
Pop Time
6/30/25
Fastball
77
Velocity (max)
6/05/25
74 - 77
Velo Range
6/05/25
-
Spin Rate (avg)
Changeup
68 - 70
Velo Range
6/26/25
-
Spin Rate (avg)
Curveball
61 - 66
Velo Range
6/12/25
-
Spin Rate (avg)
Positional Tools
2025
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Pop Time
The athlete's fastest pop time in the given event year. Measured from glove to glove, in seconds (s).
2.00 - 2.04
Catcher Velocity
The athlete's maximum throwing velocity from the catcher position in the given event year. Measured in miles per hour (MPH).
75.0
Hitting
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
94.8
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
87.2
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
353
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
257
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
18.8346
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.
2025 Ohio Underclass Games - 1 (Invite Only)
Jun 30, 2025
Trackman - Hitting
94.8
Exit Velocity (max)
87.2
Exit Velocity (avg)
257
Distance (avg)
353
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2025
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
21.0
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.2
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
70.3
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
67.9
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
2025 Ohio Underclass Games - 1 (Invite Only)
Jun 30, 2025
Blast - Hitting
21.0
Hand Speed (max)
20.2
Hand Speed (avg)
70.3
Bat Speed (max)
67.9
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
Pitch Scores
Pitching Velos
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
77.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
75.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
63.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
69.0
Game Performance
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.81
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.23
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.63
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vizual Edge
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
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Positional Profile: C/3B
Body: 6-3, 185-pounds.
Hit: RHH
Power: 95 max exit velocity, averaged 87.2 mph. 353' max distance.
Arm: RH. C-75 mph.
Defense: 2.00-2.04 pop times.
ATH: 7.63 runner in the 60. 1.81 and 4.23 in the 10 and 30 yard splits.