@J_Kerp10 
86
Velocity (max)
9/24/24
CLASS OF 2023
RHP
Jack
Kerpan
Rock Valley JC
Grayslake North (HS) • IL
6' 2" • 190LBS
R/R • 20yr 7mo
Grayslake North (HS) • IL
6' 2" • 190LBS
R/R • 20yr 7mo
Rankings
2023 National
Rankings available to Premium Subscriber
2023 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
84 - 85
Velo Range
9/24/24
2155
Spin Rate (avg)
10/03/23
Changeup
80 - 81
Velo Range
9/24/24
1836
Spin Rate (avg)
9/24/24
Curveball
73 - 74
Velo Range
9/24/24
2324
Spin Rate (avg)
9/24/24
Positional Tools
Hitting
Hitting
Pitching
2024
2023
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
85.5
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
84.3
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).
2038
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.
24.2
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).
73.4
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).
2324
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).
80.3
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).
1836
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).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
84.6
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
82.8
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).
2155
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.
26.0
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).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
71.6
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).
2279
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).
73.4
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).
1376
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).
PBR IL: Rock Valley JC Scout Day
Sep 24, 2024
Trackman - Fastball
85.5
Velocity (max)
83.9 - 84.9
Velo Range
86.2
Eff Velocity (avg)
2,158
Spin Rate (max)
2,038
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
73.8
Velocity (max)
73.0 - 73.8
Velo Range
74.0
Eff Velocity (avg)
2,400
Spin Rate (max)
2,324
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
81.0
Velocity (max)
79.7 - 80.9
Velo Range
82.5
Eff Velocity (avg)
2,054
Spin Rate (max)
1,836
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
PBR IL: Rock Valley JC Scout Day
Oct 3, 2023
Trackman - Fastball
84.6
Velocity (max)
81.1 - 84.4
Velo Range
82.9
Eff Velocity (avg)
2,257
Spin Rate (max)
2,155
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
72.8
Velocity (max)
70.8 - 72.4
Velo Range
70.7
Eff Velocity (avg)
2,426
Spin Rate (max)
2,279
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
76.8
Velocity (max)
71.7 - 75.2
Velo Range
72.6
Eff Velocity (avg)
1,681
Spin Rate (max)
1,376
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Pitch Scores
Pitching Velos
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
85.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
82.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.5
Game Performance
Vizual Edge
Pitch Ai
Notes
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