@grady_slesk2 88.4
Velocity (max)
7/14/25
CLASS OF 2026
RHP
SS
Grady
Slesk
Lone Peak (HS) • UT
5' 9" • 182.5LBS
R/R • 17yr 2mo
Travel Team: RA 2026 Black
5' 9" • 182.5LBSR/R • 17yr 2mo
Travel Team: RA 2026 Black
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
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Best Of Stats
Fastball
85.1 - 87.8
Velo Range
7/14/25
2254
Spin Rate (avg)
7/14/25
Changeup
74.6 - 77
Velo Range
7/14/25
1850
Spin Rate (avg)
7/14/25
Curveball
73.6 - 76.3
Velo Range
7/14/25
2261
Spin Rate (avg)
7/14/25
Slider
72.9 - 74.4
Velo Range
7/08/24
2223
Spin Rate (avg)
2/22/25
91.6
Exit Velocity (max)
2/22/25
83.2
Exit Velocity (avg)
2/22/25
321
Distance (max)
2/03/24
100
Sweet Spot %
2/22/25
20.7
Hand Speed (max)
2/22/25
69.7
Bat Speed (max)
7/08/24
13.6
Rot. Acc (max)
2/22/25
17
Hard Hit %
2/22/25
7.42
60-yd
2/22/25
4.42
30-yd
2/03/24
1.95
10-yd
2/03/24
17.0
Run speed (max)
2/03/24
87
INF Velo
7/08/24
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
2025
2024
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.42
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
84.0
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.
12.3
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.74
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
87.0
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
2025
2024
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
91.6
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
83.2
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).
249
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
18.2926
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).
90.5
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
81.8
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
321
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
116
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
8.4247
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.
Utah Preseason All-State
Feb 22, 2025
Trackman - Hitting
91.6
Exit Velocity (max)
83.2
Exit Velocity (avg)
249
Distance (avg)
279
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
2024 Top Prospect Games (Invite-Only)
Jul 8, 2024
Trackman - Hitting
90.5
Exit Velocity (max)
83.2
Exit Velocity (avg)
85
Distance (avg)
299
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Utah Preseason ID - Session 1
Feb 3, 2024
Trackman - Hitting
89.1
Exit Velocity (max)
80.5
Exit Velocity (avg)
148
Distance (avg)
321
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2025
2024
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
20.7
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.
68.4
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
66.0
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.
20.0
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
18.8
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
69.7
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
65.6
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.
Utah Preseason All-State
Feb 22, 2025
Blast - Hitting
20.7
Hand Speed (max)
20.1
Hand Speed (avg)
68.4
Bat Speed (max)
66.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2024 Top Prospect Games (Invite-Only)
Jul 8, 2024
Blast - Hitting
19.6
Hand Speed (max)
19.1
Hand Speed (avg)
69.7
Bat Speed (max)
67.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Utah Preseason ID - Session 1
Feb 3, 2024
Blast - Hitting
20.0
Hand Speed (max)
18.4
Hand Speed (avg)
64.9
Bat Speed (max)
62.9
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2025
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
88.4
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
84.8
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).
2160
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.
25.4
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).
74.7
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).
2260
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).
74.1
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).
1704
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).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
70.0
Slider
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).
2223
Slider
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Sinker
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
80.4
Sinker
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).
2037
Sinker
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).
85.5
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
82.1
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).
1994
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.
24.3
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).
70.1
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).
2007
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).
69.2
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).
1495
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).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
73.7
Slider
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).
2132
Slider
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Utah Top Prospect Games (Invite-Only)
Jul 14, 2025
Trackman - Fastball
88.4
Velocity (max)
85.1 - 87.8
Velo Range
86.6
Eff Velocity (avg)
2,397
Spin Rate (max)
2,254
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
77.2
Velocity (max)
73.6 - 76.3
Velo Range
73.8
Eff Velocity (avg)
2,341
Spin Rate (max)
2,261
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
78.3
Velocity (max)
74.6 - 77.0
Velo Range
75.1
Eff Velocity (avg)
2,281
Spin Rate (max)
1,850
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Utah Preseason All-State
Feb 22, 2025
Trackman - Fastball
85.7
Velocity (max)
75.9 - 85.7
Velo Range
81.6
Eff Velocity (avg)
2,242
Spin Rate (max)
1,972
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
71.7
Velocity (max)
69.3
Eff Velocity (avg)
2,245
Spin Rate (max)
2,245
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Slider
71.0
Velocity (max)
69.3 - 70.8
Velo Range
68.9
Eff Velocity (avg)
2,269
Spin Rate (max)
2,223
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
71.1
Velocity (max)
69.7 - 71.0
Velo Range
68.0
Eff Velocity (avg)
1,448
Spin Rate (max)
1,363
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Sinker
80.4
Velocity (max)
79.1
Eff Velocity (avg)
2,037
Spin Rate (max)
2,037
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
2024 Top Prospect Games (Invite-Only)
Jul 8, 2024
Trackman - Fastball
85.5
Velocity (max)
83.7 - 85.0
Velo Range
84.2
Eff Velocity (avg)
2,231
Spin Rate (max)
2,089
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
74.6
Velocity (max)
73.5
Eff Velocity (avg)
2,221
Spin Rate (max)
2,221
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Slider
74.4
Velocity (max)
72.9 - 74.4
Velo Range
72.9
Eff Velocity (avg)
2,330
Spin Rate (max)
2,132
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
74.7
Velocity (max)
73.7 - 74.7
Velo Range
74.0
Eff Velocity (avg)
1,601
Spin Rate (max)
1,545
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Utah Preseason ID - Session 1
Feb 3, 2024
Trackman - Fastball
80.6
Velocity (max)
79.2 - 80.4
Velo Range
79.7
Eff Velocity (avg)
2,013
Spin Rate (max)
1,899
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)
67.3 - 70.2
Velo Range
68.7
Eff Velocity (avg)
1,983
Spin Rate (max)
1,953
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
67.0
Velocity (max)
66.2 - 67.0
Velo Range
67.5
Eff Velocity (avg)
1,521
Spin Rate (max)
1,471
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Pitch Scores
2025
2024
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
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
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
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.
Slider
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Slider
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Pitching Velos
2025
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
86.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
81.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.0
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
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.0
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
85.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
82.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.8
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
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.5
Game Performance
2024
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.95
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.42
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
8.03
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.
Vizual Edge
2024
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.
76.39
Pitch Ai
Notes
News
- Utah Preseason All-State: Positional Data Dive - Feb 26, 2025
- Utah Preseason All-State: Pitching Data Dive - Feb 26, 2025
- Utah Preseason All-State: Statistical Analysis - Feb 24, 2025
- Utah Top Prospect Games: Pitching Data Dive - Jul 14, 2024
- Utah Top Prospect Games: Statistical Analysis - Jul 12, 2024
- Utah Preseason ID (Session I): Pitching Data Dive - Feb 6, 2024
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Physical
2025
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.
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.