22.5
Hand Speed (max)
3/16/24
CLASS OF 2026
OF
SS
Jackson
Niemiec
Muskego (HS) • WI
5' 11" • 158.1LBS
R/R • 16yr 7mo
Travel Team: Midwest Halos 2026 National
5' 11" • 158.1LBSR/R • 16yr 7mo
Travel Team: Midwest Halos 2026 National
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
73.5
Bat Speed (max)
3/16/24
17
Rot. Acc (max)
3/16/24
-
Hard Hit %
86.3
Exit Velocity (max)
3/16/24
79.8
Exit Velocity (avg)
3/16/24
296
Distance (max)
3/16/24
60
Sweet Spot %
3/18/23
7.06
60
3/16/24
-
30-yd
1.74
10-yd
3/18/23
19.1
Run speed (max)
3/18/23
-
INF Velo
82
OF Velo
3/16/24
-
C Velo
-
Pop Time
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)
7.06
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
82.0
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.
12.2
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.10
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
79.0
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.
11.7
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).
86.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
79.8
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
296
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
223
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
24.6
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).
83.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
74.6
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
260
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
118
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
9.9
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.
Milwaukee Preseason ID
Mar 16, 2024
Trackman - Hitting
86.3
Exit Velocity (max)
79.8
Exit Velocity (avg)
223
Distance (avg)
296
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Milwaukee Preseason ID
Mar 18, 2023
Trackman - Hitting
83.3
Exit Velocity (max)
74.6
Exit Velocity (avg)
118
Distance (avg)
260
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.
22.5
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
21.7
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
73.5
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
70.3
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.
21.9
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.1
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.
63.2
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.
Milwaukee Preseason ID
Mar 16, 2024
Blast - Hitting
22.5
Hand Speed (max)
21.7
Hand Speed (avg)
73.5
Bat Speed (max)
70.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Milwaukee Preseason ID
Mar 18, 2023
Blast - Hitting
21.9
Hand Speed (max)
20.1
Hand Speed (avg)
67.2
Bat Speed (max)
63.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
Pitch Scores
Pitching Velos
Game Performance
2024
2023
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.74
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.10
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.
1.74
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.10
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.
Milwaukee Preseason ID
Mar 18, 2023
Swift
1.74
10-yd
7.10
60-yd
19.1
Run speed (max)
1.96
RSi (max)
1.96
RSi (avg)
759
Jump Power (max)
Visual 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.
74.44
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.
80.41
Pitch Ai
Notes
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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.
OF Jackson Niemiec (Muskego, 2026) showed well in Milwaukee, especially on defense. From the outfield position he showed athletic actions and worked on-line on his throws to home. He featured a loose, quick arm that produced a velocity of 79 mph on throws to home. At the plate, he showed the ability to drive balls to both gaps, and he used his quick hands to produce a max exit velocity of 83.3 mph.
Positional Profile: OF/C
Body: 5-9, 140-pounds. Wiry, athletic frame with more fill coming.
Hit: RHH. Upright narrow, open. Lands centered into strong hitting position, shows quickness to hands with inside path, can drive balls to both gaps.
Power: 83 max exit velocity, averaged 74.6 mph. 260’ max distance.
Arm: RH. OF - 79 mph. Long, loose, quick arm, 3/4 slot.
Defense: One-hand gather in stride, works on-line, athletic actions, accurate throws.
Run: 7.10 runner in the 60.