@JJAckerman2 
19.8
Hand Speed (max)
3/10/24
CLASS OF 2025
SS
RHP
JJ
Ackerman
Madison Memorial (HS) • WI
6' 1" • 175LBS
R/R • 18yr 3mo
Travel Team: Dane County Bears
Rankings
2025 National
Rankings available to Premium Subscriber
2025 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
69.8
Bat Speed (max)
3/10/24
18.4
Rot. Acc (max)
3/10/24
-
Hard Hit %
84.4
Exit Velocity (max)
6/27/23
69.2
Exit Velocity (avg)
3/10/24
246
Distance (max)
3/10/24
50
Sweet Spot %
3/10/24
7.25
60-yd
6/27/23
4.00
30-yd
6/27/23
1.70
10-yd
6/27/23
18.9
Run speed (max)
6/27/23
76
INF Velo
3/10/24
-
OF Velo
-
C Velo
-
Pop Time
Fastball
70
Velocity (max)
6/28/24
66 - 69
Velo Range
6/28/24
-
Spin Rate (avg)
Changeup
58 - 63
Velo Range
6/28/24
-
Spin Rate (avg)
Positional Tools
2024
2023
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.46
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
76.0
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.
10.9
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.25
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
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.
11.6
Hitting
2024
2023
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
81.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
69.2
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
246
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
189
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
29.0319
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).
84.4
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
68.8
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
240
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
125
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.9615
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.
Madison Preseason ID
Mar 10, 2024
Trackman - Hitting
81.3
Exit Velocity (max)
69.2
Exit Velocity (avg)
189
Distance (avg)
246
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Madison Open
Jun 27, 2023
Trackman - Hitting
84.4
Exit Velocity (max)
68.8
Exit Velocity (avg)
125
Distance (avg)
240
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2024
2023
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
19.8
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
17.7
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
69.8
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
67.5
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.
19.7
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
18.3
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
67.2
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
64.4
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.
Madison Preseason ID
Mar 10, 2024
Blast - Hitting
19.8
Hand Speed (max)
17.7
Hand Speed (avg)
69.8
Bat Speed (max)
67.5
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Madison Open
Jun 27, 2023
Blast - Hitting
19.7
Hand Speed (max)
18.3
Hand Speed (avg)
67.2
Bat Speed (max)
64.4
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
Pitch Scores
Pitching Velos
2024
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)
67.5
Changeup
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
2024
2023
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.
1.70
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.00
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.25
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
Madison Open
Jun 27, 2023
Swift
1.70
10-yd
4.00
30-yd
7.25
60-yd
18.9
Run speed (max)
1,436
Jump Power (max)
26.6
Jump Height (max)
26.5
Jump Height (avg)
Vizual Edge
2024
2023
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.
78.06
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.
68.32
Pitch Ai
Notes
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Comments
Draft Reports
Contact
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Physical
2024
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.
Positional Profile: SS/RHP
Body: 6-0, 168-pounds. Athletic build, some strength in lower body.
Hit: RHH. Open setup, lower hands, leg lift trigger, aggressive footplant. Loft to path, creates bat speed and leverage out front, shows ability to drive the ball to the opposite field and to the pull side gap. 67.5 mph bat speed with 16 G's of rotational acceleration.
Power: 81 max exit velocity, averaged 69.2 mph. 246' max distance.
Arm: RH. INF-76 mph. Quick arm action, loose, plays from multiple slots.
Defense: Two handed gather, shuffle to throw.
ATH: 7.46 runner in the 60. 21.30 max vertical.
Positional Profile: SS/RHP
Body: 6-0, 165-pounds. Long limbs, tall frame, long torso.
Hit: RHH. Wide base, relaxed hands, sinks into legs, minimal load and short stride. Short path, uphill path, opposite field approach. 64.4 mph bat speed with 16 G’s of rotational acceleration.
Power: 84 max exit velocity, averaged 68.8 mph. 240’ max distance.
Arm: RH. INF - 71 mph. Short, clean arm action, plays from multiple slots and smooth double play feed.
Defense: Reliable hands, quick transfer, some range.
Run: 7.25 runner in the 60.