82
Velocity (max)
6/08/22
CLASS OF 2023
LHP
LHP
Aaron
Buckholtz
Harper JC
Lyons Township (HS) • IL
6' 4" • 195LBS
L/L • 19yr 2mo
Travel Team: Top Tier
Lyons Township (HS) • IL
6' 4" • 195LBS
L/L • 19yr 2mo
Travel Team: Top Tier
Rankings
2023 National
Rankings available to Premium Subscriber
2023 State
Rankings available to Premium Subscriber
Best Of Stats
Fastball
78.5 - 81
Velo Range
6/08/22
2015
Spin Rate (avg)
3/13/21
Changeup
70 - 72
Velo Range
6/08/22
1576
Spin Rate (avg)
6/08/22
Curveball
61.1 - 62
Velo Range
6/08/22
1904
Spin Rate (avg)
6/08/22
89.2
Exit Velocity (max)
3/13/21
81
Exit Velocity (avg)
3/13/21
313
Distance (max)
6/13/21
82
Sweet Spot %
3/13/21
24.5
Hand Speed (max)
6/13/21
67.5
Bat Speed (max)
6/13/21
19
Rot. Acc (max)
6/08/22
-
Hard Hit %
7.57
60
6/08/22
-
30-yd
-
10-yd
-
Run speed (max)
72
INF Velo
6/08/22
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
2022
2021
2019
Sign in to view rankings 
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.57
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
72.0
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.
11.5
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.81
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
69.0
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.
11.4
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
8.61
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
58.0
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.
8.0
Hitting
2022
2021
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
86.7
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
79.4
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
219
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
82
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
5.8
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).
89.2
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
80.3
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
313
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
217
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
20.5
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.
Top Tier Scout Day
Jun 8, 2022
Trackman - Hitting
86.7
Exit Velocity (max)
79.4
Exit Velocity (avg)
82
Distance (avg)
219
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Top Tier Scout Day
Jun 13, 2021
Trackman - Hitting
87.2
Exit Velocity (max)
79.6
Exit Velocity (avg)
200
Distance (avg)
313
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
O'Hare Preseason I.D.
Mar 13, 2021
Trackman - Hitting
89.2
Exit Velocity (max)
81.0
Exit Velocity (avg)
232
Distance (avg)
298
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2022
2021
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
23.4
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
22.5
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
67.4
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
65.5
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.
24.5
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
22.5
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
67.5
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
64.2
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.
Top Tier Scout Day
Jun 8, 2022
Blast - Hitting
23.4
Hand Speed (max)
22.5
Hand Speed (avg)
67.4
Bat Speed (max)
65.5
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Top Tier Scout Day
Jun 13, 2021
Blast - Hitting
24.5
Hand Speed (max)
22.9
Hand Speed (avg)
67.5
Bat Speed (max)
64.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
O'Hare Preseason I.D.
Mar 13, 2021
Blast - Hitting
23.6
Hand Speed (max)
22.1
Hand Speed (avg)
66.0
Bat Speed (max)
64.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2024
2022
2021
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
78.1
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
76.6
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).
1780
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).
60.5
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).
1774
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).
69.4
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).
1200
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).
81.9
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
79.7
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).
1966
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.
24.7
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).
61.6
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).
1904
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).
70.4
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).
1576
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).
74.2
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
72.7
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).
2015
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.
27.7
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).
56.1
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).
1621
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).
63.4
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).
1334
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: Harper JC Scout Day
Sep 27, 2024
Trackman - Fastball
78.1
Velocity (max)
75.6 - 77.7
Velo Range
76.4
Eff Velocity (avg)
1,832
Spin Rate (max)
1,780
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
62.1
Velocity (max)
59.3 - 61.8
Velo Range
60.3
Eff Velocity (avg)
1,795
Spin Rate (max)
1,774
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
71.3
Velocity (max)
68.6 - 70.5
Velo Range
68.4
Eff Velocity (avg)
1,324
Spin Rate (max)
1,200
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Top Tier Scout Day
Jun 8, 2022
Trackman - Fastball
81.9
Velocity (max)
78.5 - 81.0
Velo Range
77.0
Eff Velocity (avg)
2,058
Spin Rate (max)
1,966
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
62.0
Velocity (max)
61.1 - 62.0
Velo Range
58.7
Eff Velocity (avg)
2,016
Spin Rate (max)
1,904
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - ChangeUp
72.3
Velocity (max)
69.6 - 71.5
Velo Range
67.9
Eff Velocity (avg)
1,834
Spin Rate (max)
1,576
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
O'Hare Preseason I.D.
Mar 13, 2021
Trackman - Fastball
74.2
Velocity (max)
71.7 - 73.7
Velo Range
71.5
Eff Velocity (avg)
2,115
Spin Rate (max)
2,015
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
57.2
Velocity (max)
55.2 - 57.1
Velo Range
54.3
Eff Velocity (avg)
1,694
Spin Rate (max)
1,621
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - ChangeUp
66.2
Velocity (max)
61.3 - 65.4
Velo Range
61.1
Eff Velocity (avg)
1,372
Spin Rate (max)
1,334
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Pitch Scores
2024
2021
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
Curveball
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Curveball
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ 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
Curveball
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Curveball
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Pitching Velos
2022
2021
2019
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
82.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
80.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
61.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.0
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
74.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.2
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
56.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
63.0
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
67.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
65.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
53.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
55.5
Game Performance
Visual Edge
Pitch Ai
Notes
Comments
Draft Reports
Contact
Premium Content Area
To unlock contact information, you need to purchase a ScoutPLUS subscription.
Purchase Subscription OR
Login
Positional Profile: LHP/1B
Body: 6-3, 180-pounds.
Delivery: Drop/drive delivery, shoulders get on an uphill plane, lands squared, finishes athletic.
Arm Action: LH. Long arm action, high 3/4 slot.
FB: T74, 72-73 mph. Plays straight, flashes cut. T2115, 2015 average rpm.
CB: 55-57 mph. 1/7 break. T1693, 1620 average rpm.
CH: 61-65 mph. Arm-side run. T1371, 1334 average rpm.
Hit: LHH. Open, balanced setup, long hand load, short stride to even. Long level swing, gap-to-gap approach, fluid rhythm.
Power: 89.22 max exit velocity, averaged 80.95 mph. 298’ max distance.
Arm: LH. INF - 69 mph. Short arm action, high 3/4 slot.
Defense: Average hands, clean exchange.
Run: 7.81 runner in the 60.
Positional Profile: 1B/LHP
Body: 6-0, 155-pounds.
Defense: Works through the ball, clean exchange.
Arm: LH. INF - 58 mph. Long arm action, low 3/4 slot.
Hit: LHH. Open stance, short stride. Level bat path.
Power: 69 mph exit velocity from the tee.
Run: 8.61 runner in the 60.
Delivery: Shows some effort, lands closed.
Arm Action: LH. Short arm action, 3/4 slot.
FB: T67, 65-66 mph. Four seam type
CB: 51-55 mph. 1/7 shape, gradual break.
CH: 53-58 mph. Straight change type, near fastball arm speed, works down.