@luke_kosoff8 23.8
Hand Speed (max)
7/09/25
CLASS OF 2027
3B
OF
Luke
Kosoff
Don Bosco Prep (HS) • NJ
6' 3" • 184LBS
L/R • 16yr 10mo
Travel Team: Wladyka Baseball
6' 3" • 184LBSL/R • 16yr 10mo
Travel Team: Wladyka Baseball
Rankings
2027 National
Rankings available to Premium Subscriber
2027 State
Rankings available to Premium Subscriber
Commitment
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Best Of Stats
84.1
Bat Speed (max)
7/09/25
22.8
Rot. Acc (max)
7/09/25
78
Hard Hit %
3/07/26
96.3
Exit Velocity (max)
3/07/26
92.2
Exit Velocity (avg)
3/07/26
331
Distance (max)
7/09/25
56
Sweet Spot %
3/07/26
7.08
60-yd
7/09/25
3.97
30-yd
7/09/25
1.73
10-yd
7/09/25
19.7
Run speed (max)
7/09/25
77
INF Velo
3/07/26
80
OF Velo
3/07/26
-
C Velo
-
Pop Time
Fastball
72.7
Velocity (max)
3/04/25
69.3 - 71.7
Velo Range
3/04/25
1636
Spin Rate (avg)
3/04/25
Changeup
64.1 - 67.7
Velo Range
3/04/25
1618
Spin Rate (avg)
3/04/25
Curveball
62.5 - 64.5
Velo Range
3/04/25
1577
Spin Rate (avg)
3/04/25
Positional Tools
2026
2025
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Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
77.0
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
80.0
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
71.0
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
73.0
Hitting
2026
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
96.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
92.2
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
318
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
165
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
7.3486
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.
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
95.9
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
76.3
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
331
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
197
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
31.2959
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.
2026 NJ Preseason All-State: Session II
Mar 7, 2026
Trackman - Hitting
96.3
Exit Velocity (max)
92.2
Exit Velocity (avg)
165
Distance (avg)
318
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Ground Ball %
2025 NJ Summer ID - Session II
Jul 9, 2025
Trackman - Hitting
95.9
Exit Velocity (max)
76.3
Exit Velocity (avg)
197
Distance (avg)
331
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2026
2025
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
21.7
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.7
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
77.1
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
71.4
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.
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
23.8
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
22.8
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
84.1
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
73.2
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.
2026 NJ Preseason All-State: Session II
Mar 7, 2026
Blast - Hitting
21.7
Hand Speed (max)
20.7
Hand Speed (avg)
77.1
Bat Speed (max)
71.4
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2025 NJ Summer ID - Session II
Jul 9, 2025
Blast - Hitting
23.8
Hand Speed (max)
22.8
Hand Speed (avg)
84.1
Bat Speed (max)
73.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
72.7
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
70.5
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).
1636
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.
23.2
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).
63.5
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).
1577
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).
65.9
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).
1618
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).
2025 Wladyka Baseball Pitcher Showcase
Mar 4, 2025
Trackman - Fastball
72.7
Velocity (max)
69.3 - 71.7
Velo Range
69.7
Eff Velocity (avg)
1,715
Spin Rate (max)
1,636
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
64.8
Velocity (max)
62.5 - 64.5
Velo Range
62.6
Eff Velocity (avg)
1,661
Spin Rate (max)
1,577
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
68.6
Velocity (max)
64.1 - 67.7
Velo Range
64.7
Eff Velocity (avg)
1,707
Spin Rate (max)
1,618
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
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
70.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
69.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
60.5
Game Performance
2026
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.78
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.99
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.12
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
RSI
The reactive strength index measurement of an athlete's explosiveness by comparing their jump height to the ground contact time in between their jumps. On a scale of 0-5.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.73
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.96
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.08
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
RSI
The reactive strength index measurement of an athlete's explosiveness by comparing their jump height to the ground contact time in between their jumps. On a scale of 0-5.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
2026 NJ Preseason All-State: Session II
Mar 7, 2026
Vald
1.78
10-yd
3.99
30-yd
7.12
60-yd
19.6
Run speed (max)
1.24
RSI (max)
23.8
Jump Height (max)
2025 NJ Summer ID - Session II
Jul 9, 2025
Vald
1.73
10-yd
3.97
30-yd
7.08
60-yd
19.7
Run speed (max)
0.67
RSI (max)
22.2
Jump Height (max)
Vizual Edge
2026
2025
Edge Score
The highest Edge Score within the given year. Edge Score is a comprehensive score that takes the core-six visual skills into account, providing an assessment of an athlete’s overall visual ability.
76.93
Edge Score
The highest Edge Score within the given year. Edge Score is a comprehensive score that takes the core-six visual skills into account, providing an assessment of an athlete’s overall visual ability.
64.43
Pitch Ai
Notes
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Comments
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Physical
2026
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.
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.