84
Velocity (max)
2/10/24
CLASS OF 2026
RHP
SS
Jack
Dahlem
Prairie Ridge (HS) • IL
6' 1" • 165LBS
L/R • 15yr 11mo
Travel Team: GRB Rays Illinois 16u yellow
6' 1" • 165LBS
L/R • 15yr 11mo
Travel Team: GRB Rays Illinois 16u yellow
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
81.6 - 83
Velo Range
2/10/24
1980
Spin Rate (avg)
2/11/23
Changeup
75.2 - 76.2
Velo Range
2/10/24
1581
Spin Rate (avg)
2/10/24
Curveball
69 - 70
Velo Range
2/10/24
2063
Spin Rate (avg)
2/10/24
88.7
Exit Velocity (max)
2/10/24
83.4
Exit Velocity (avg)
2/10/24
302
Distance (max)
2/10/24
78
Sweet Spot %
2/10/24
21.8
Hand Speed (max)
2/10/24
69.6
Bat Speed (max)
2/10/24
16.4
Rot. Acc (max)
2/11/23
-
Hard Hit %
8.29
60
7/05/22
4.21
30-yd
2/10/24
1.79
10-yd
2/10/24
16.9
Run speed (max)
2/10/24
81
INF Velo
2/10/24
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
2024
2023
2022
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Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
81.0
Home to First
The athlete's fastest home-to-first time in the given event year. Measured from bat-on-ball to foot-on-bag, in seconds (s).
4.47
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
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
8.29
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.
8.8
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).
88.7
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
83.4
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
302
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
238
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).
81.7
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
75.0
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
279
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
158
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
17.7
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).
73.2
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
66.5
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
235
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
165
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
23.7
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.
McHenry Preseason ID
Feb 10, 2024
Trackman - Hitting
88.7
Exit Velocity (max)
83.4
Exit Velocity (avg)
238
Distance (avg)
302
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
McHenry Preseason ID
Feb 11, 2023
Trackman - Hitting
81.7
Exit Velocity (max)
75.0
Exit Velocity (avg)
158
Distance (avg)
279
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Northwest Suburban Rising Stars ID
Jul 5, 2022
Trackman - Hitting
73.2
Exit Velocity (max)
66.5
Exit Velocity (avg)
165
Distance (avg)
235
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.
21.8
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.7
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
69.6
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
68.3
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.
21.4
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.4
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
68.8
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
66.2
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.
McHenry Preseason ID
Feb 10, 2024
Blast - Hitting
21.8
Hand Speed (max)
20.7
Hand Speed (avg)
69.6
Bat Speed (max)
68.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
McHenry Preseason ID
Feb 11, 2023
Blast - Hitting
21.4
Hand Speed (max)
20.4
Hand Speed (avg)
68.8
Bat Speed (max)
66.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2024
2023
2022
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.8
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
82.2
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).
1847
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.
22.5
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).
69.2
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).
2063
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).
75.7
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).
1581
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).
75.1
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.6
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).
1980
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.
26.5
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).
63.1
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).
1880
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).
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).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
73.1
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
71.3
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).
1921
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.
27.0
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).
59.6
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).
1742
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).
67.7
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).
1363
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).
Cutter
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
68.5
Cutter
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).
1643
Cutter
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
McHenry Preseason ID
Feb 10, 2024
Trackman - Fastball
83.8
Velocity (max)
81.6 - 83.0
Velo Range
80.6
Eff Velocity (avg)
2,010
Spin Rate (max)
1,847
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
70.2
Velocity (max)
68.6 - 69.9
Velo Range
68.0
Eff Velocity (avg)
2,103
Spin Rate (max)
2,063
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
76.2
Velocity (max)
75.2 - 76.2
Velo Range
75.2
Eff Velocity (avg)
1,626
Spin Rate (max)
1,581
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
McHenry Preseason ID
Feb 11, 2023
Trackman - Fastball
75.1
Velocity (max)
74.1 - 75.0
Velo Range
73.2
Eff Velocity (avg)
2,138
Spin Rate (max)
1,980
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
65.2
Velocity (max)
62.1 - 64.5
Velo Range
61.3
Eff Velocity (avg)
1,902
Spin Rate (max)
1,880
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
71.7
Velocity (max)
69.6 - 71.3
Velo Range
69.4
Eff Velocity (avg)
1,415
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)
Northwest Suburban Rising Stars ID
Jul 5, 2022
Trackman - Fastball
73.1
Velocity (max)
70.0 - 72.6
Velo Range
69.8
Eff Velocity (avg)
1,963
Spin Rate (max)
1,921
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
61.1
Velocity (max)
57.9 - 61.1
Velo Range
57.5
Eff Velocity (avg)
1,798
Spin Rate (max)
1,742
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
68.7
Velocity (max)
66.1 - 68.7
Velo Range
65.8
Eff Velocity (avg)
1,397
Spin Rate (max)
1,363
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Trackman - Cutter
70.6
Velocity (max)
66.3 - 70.6
Velo Range
66.6
Eff Velocity (avg)
1,938
Spin Rate (max)
1,643
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Pitch Scores
2024
2023
Fastball
Hop+
A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ 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
Fastball
Hop+
A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ 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
Pitching Velos
2024
2023
2022
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
84.0
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)
69.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
75.5
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
75.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
74.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
63.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.5
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
73.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
59.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
67.5
Game Performance
2024
2023
2022
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.79
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.21
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
8.92
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.
1.88
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.47
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.
2.21
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.94
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
8.92
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.
McHenry Preseason ID
Feb 11, 2023
Swift
1.88
10-yd
4.47
30-yd
15.8
Run speed (max)
1.06
RSi (max)
1.05
RSi (avg)
729
Jump Power (max)
19.9
Jump Height (max)
19.8
Jump Height (avg)
Northwest Suburban Rising Stars ID
Jul 5, 2022
Swift
2.21
10-yd
4.94
30-yd
8.92
60-yd
15.4
Run speed (max)
6.7
Run Speed (avg)
1.02
RSi (max)
1.02
RSi (avg)
715
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.
83.18
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.
74.83
Pitch Ai
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Positional Profile: SS/RHP
Body: 5-11, 140-pounds. Athletic, high waisted frame with room for continued growth.
Hit: LHH. Wide, slightly open setup, smooth load and short stride. Long path, level through the zone at times, middle to pull-side approach.
Power: 82 max exit velocity, averaged 75 mph.
Arm: RH. INF - 72 mph. Plays on the move, 3/4 slot.
Defense: Active feet, fluid hands and actions, plays with rhythm, range laterally.
Run: 4.47 runner in the 30-yard dash.
Delivery: Balanced tempo with a high leg kicked, lands squared to home, falls off at the end.
Arm Action: RH. Long arm action, high 3/4 slot.
FB: T75, 74-75 mph. Throws both 4 seam and two seam fastball. T2138, 1980 average rpm.
CB: 62-65 mph. 12/6 action with sharp break. T1902, 1880 average rpm.
CH: 70-71 mph. Arm side run with tight action. T1415, 1376 average rpm.
Positional Profile: SS
Body: 5-10, 130-pounds.
Hit: LHH. Balanced setup, upright, slight toe tap load. Creates hand separation at footstrike, long/loose arms through the zone, creates extension, line-drive approach, uses the whole field.
Power: 73.2 max exit velocity, averaged 66.5 mph. 235’ max distance.
Arm: RH. INF - 69 mph. Short, high 3/4 slot.
Defense: C: Moves well out of the crouch, gains ground. INF: Athletic actions, plays on the balls of his feet, soft hands, clean transfer.
Run: 8.29 runner in the 60.
Positional Profile: RHP
Delivery: Slightly up-tempo delivery, tall/fall operation, athletic mover down the mound with a stride that remains in-line, front foot square.
Arm Action: RH. Loose, quick arm, plays from a high 3/4 slot.
FB: T73.1, 70.0-72.6 mph. Straight action, thrown for strikes. T1962, 1921 average rpm.
CB: 57.9-61.1 mph. Tight spin, 11/5 shape. T1798, 1742 average rpm.
CH: 66.1-68.7 mph. Tries to work it down in the zone, occasional sink. T1396, 1363 average rpm.
CUT: 66.3-70.6 mph. Cutting action, short horizontal action.