23.1
Hand Speed (max)
7/11/23
CLASS OF 2026
OF
LHP
Chasen
Niemann
Saguaro (HS) • AZ
6' 0" • 167LBS
L/L • 16yr 9mo
Travel Team: AZ Generals Elite 17u
6' 0" • 167LBSL/L • 16yr 9mo
Travel Team: AZ Generals Elite 17u
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
78.8
Bat Speed (max)
6/03/24
22.8
Rot. Acc (max)
6/03/24
-
Hard Hit %
93
Exit Velocity (max)
6/03/24
80.5
Exit Velocity (avg)
6/03/24
338
Distance (max)
6/03/24
57
Sweet Spot %
9/20/22
7.13
60
6/03/24
3.98
30-yd
6/03/24
1.69
10-yd
7/11/23
19.5
Run speed (max)
6/03/24
-
INF Velo
82
OF Velo
6/03/24
-
C Velo
-
Pop Time
Fastball
69
Velocity (max)
9/27/22
64.7 - 68
Velo Range
9/27/22
1583
Spin Rate (avg)
9/27/22
Changeup
60.7 - 63.4
Velo Range
9/27/22
1205
Spin Rate (avg)
9/27/22
Curveball
57.7 - 61
Velo Range
9/27/22
1785
Spin Rate (avg)
9/27/22
Positional Tools
2024
2023
2022
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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
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
76.0
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.74
Outfield Velocity
The athlete's maximum throwing velocity from an outfield 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.
10.4
Hitting
2024
2023
2022
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
93.0
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
80.5
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
338
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
178
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
22.0
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).
86.2
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
75.9
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
306
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
178
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.5
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.
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
80.1
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
73.1
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
259
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
174
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.9
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.
Top Prospect Games: Upperclass (Invite-Only)
Jun 3, 2024
Trackman - Hitting
93.0
Exit Velocity (max)
80.5
Exit Velocity (avg)
178
Distance (avg)
338
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Scottsdale Open
Jul 11, 2023
Trackman - Hitting
86.2
Exit Velocity (max)
78.1
Exit Velocity (avg)
198
Distance (avg)
306
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Top Prospect Games: Class of 2026 & 2027 (Invite-Only)
Jun 6, 2023
Trackman - Hitting
83.4
Exit Velocity (max)
72.4
Exit Velocity (avg)
148
Distance (avg)
253
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
PBR Scout Day: Canyon Thunder (Position Players)
Sep 20, 2022
Trackman - Hitting
80.1
Exit Velocity (max)
73.1
Exit Velocity (avg)
174
Distance (avg)
259
Distance (max)
Hard Hit %
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.
21.7
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.2
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
78.8
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
68.4
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.
23.1
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.9
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
68.7
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
64.9
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 Prospect Games: Upperclass (Invite-Only)
Jun 3, 2024
Blast - Hitting
21.7
Hand Speed (max)
20.3
Hand Speed (avg)
78.8
Bat Speed (max)
68.4
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Scottsdale Open
Jul 11, 2023
Blast - Hitting
23.1
Hand Speed (max)
21.8
Hand Speed (avg)
68.7
Bat Speed (max)
65.4
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Top Prospect Games: Class of 2026 & 2027 (Invite-Only)
Jun 6, 2023
Blast - Hitting
20.6
Hand Speed (max)
19.7
Hand Speed (avg)
67.1
Bat Speed (max)
64.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2022
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
69.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
66.3
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).
1583
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.
23.9
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).
59.3
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).
1785
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).
62.0
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).
1205
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 Scout Day: Canyon Thunder (Pitchers)
Sep 27, 2022
Trackman - Fastball
69.0
Velocity (max)
64.7 - 68.0
Velo Range
64.5
Eff Velocity (avg)
1,620
Spin Rate (max)
1,583
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - Curveball
61.5
Velocity (max)
57.7 - 61.0
Velo Range
57.5
Eff Velocity (avg)
1,828
Spin Rate (max)
1,785
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
64.0
Velocity (max)
60.7 - 63.4
Velo Range
60.6
Eff Velocity (avg)
1,294
Spin Rate (max)
1,205
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Pitch Scores
2022
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
Game Performance
2024
2023
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.75
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.98
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.13
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.
1.69
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.
7.26
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Top Prospect Games: Upperclass (Invite-Only)
Jun 3, 2024
Swift
1.75
10-yd
3.98
30-yd
7.13
60-yd
19.5
Run speed (max)
2.59
RSi (max)
29.1
Jump Height (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.
70.01
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.
74.93
Pitch Ai
2022
Arm Speed
The maximum speed, in the direction of home plate, that the wrist is traveling. Measured in meters per second (m/s)
Arm Slot
Angle of the forearm relative to the ground between maximum external rotation (MER) and ball release (BR). Which can be a powerful player comparison metric, delivered in degrees.
Knee Extension Velo
The angular velocity of the front knee straightening after foot plant, which provides indicators of velocity potential. Measured in degrees per second.
Deception
The amount of time that the ball is visible to the hitter, after the instant of front foot strike. Measures in milliseconds.
Hip-Shoulder Separation
The difference in angle of between the hips and shoulders, occurring close to the foot plant. Measured in degrees.
PBR Scout Day: Canyon Thunder (Pitchers)
Sep 27, 2022
ProPlayAI - Foot Plant
Elbow Flexion (avg)
Shoulder Abduction (avg)
Hip Shoulder Seperation (avg)
ProPlayAI - MER
External Rotation (avg)
Stride Length (avg)
Horizontal Abduction (avg)
ProPlayAI - Release
Arm Speed (max)
Arm Speed (avg)
Knee Extension Velocity (max)
Knee Extension Velocity (avg)
Knee Flexion (avg)
Arm Slot (avg)
Lateral Trunk Tilt (avg)
Arm Path (avg)
Deception (avg)
Torque (avg)
Efficiency (avg)
Sequencing (avg)
Notes
News
Comments
Draft Reports
Contact
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Physical
2024
2023
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.
Positional Profile: OF/1B
Body: 5-11, 150-pounds. 6-0, 150 pounds, slim athletic build
Arm Action: LH
ATH: 7.38 runner in the 60. 1.83 and 4.17 10 and 30 yard splits. Above average run with athletic strides
Positional Profile: OF/1B
Body: 5-11, 150-pounds. 6-0, 150 pounds, slim athletic build
Arm Action: LH
ATH: 7.38 runner in the 60. 1.83 and 4.17 10 and 30 yard splits. Above average run with athletic strides
Positional Profile: OF/1B
Body: 5-11, 150-pounds. 6-0, 150 pounds, slim athletic build
Hit: LHH. On back foot with low hands, low leg kick overturing on front foot Level bat path with good hands 64.3 mph bat speed with 12 G’s of rotational acceleration.
Power: 83 max exit velocity, averaged 72 mph. 253' max distance. Average Power but over rotates over front side
Arm: LH. OF-76 mph. Average arm from the OF with good finish
Defense: Good approach to the ball, with good glove to hand transition
ATH: 7.38 runner in the 60. 1.83 and 4.17 in the 10 and 30 yard splits. Above average run with athletic strides
Vizual Edge: 63.52 Edge Score
Positional Profile: OF/1B
Body: 5-11, 150-pounds. 6-0, 150 pounds, slim athletic build
Hit: LHH. On back foot with low hands, low leg kick overturing on front foot Level bat path with good hands 64.3 mph bat speed with 12 G’s of rotational acceleration.
Power: 83 max exit velocity, averaged 72 mph. 253' max distance. Average Power but over rotates over front side
Arm: LH. OF-76 mph. Average arm from the OF with good finish
Defense: Good approach to the ball, with good glove to hand transition
ATH: 7.38 runner in the 60. 1.83 and 4.17 in the 10 and 30 yard splits. Above average run with athletic strides
Vizual Edge: 63.52 Edge Score