20.9
Hand Speed (max)
3/14/26
CLASS OF 2028
SS
RHP
Cooper
Stejskal
Waconia (HS) • MN
5' 10" • 164.9LBS
R/R • 16yr 7mo
Travel Team: MASH 16U Koskie
5' 10" • 164.9LBS
R/R • 16yr 7mo
Travel Team: MASH 16U Koskie
Rankings
2028 National
Rankings available to Premium Subscriber
2028 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
Player has made a commitment?
Tell us where
Best Of Stats
66.3
Bat Speed (max)
3/14/26
10.6
Rot. Acc (max)
3/14/26
-
Hard Hit %
87.1
Exit Velocity (max)
3/14/26
74.2
Exit Velocity (avg)
8/11/24
325
Distance (max)
3/14/26
50
Sweet Spot %
7/09/25
7.46
60-yd
3/14/26
4.13
30-yd
3/14/26
1.76
10-yd
3/14/26
18.5
Run speed (max)
3/14/26
81
INF Velo
3/14/26
-
OF Velo
64
C Velo
8/11/24
2.20 - 2.37
Pop Time
8/11/24
Fastball
81.2
Velocity (max)
3/14/26
75.9 - 79.1
Velo Range
3/14/26
2237
Spin Rate (avg)
3/14/26
Curveball
65.6 - 68.2
Velo Range
3/14/26
2001
Spin Rate (avg)
7/09/25
Positional Tools
2026
2025
2024
Sign in to view rankings 
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
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
77.0
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.57
Pop Time
The athlete's fastest pop time in the given event year. Measured from glove to glove, in seconds (s).
2.20 - 2.37
Catcher Velocity
The athlete's maximum throwing velocity from the catcher position in the given event year. Measured in miles per hour (MPH).
64.0
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
68.0
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
Hitting
2026
2025
2024
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
87.1
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
65.5
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
325
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
177
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
28.9978
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).
85.4
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
69.3
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).
182
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
32.9509
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).
82.8
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
74.2
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
300
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.
24.0425
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.
MN Preseason All-State (Invite Only)
Mar 14, 2026
Trackman - Hitting
87.1
Exit Velocity (max)
65.5
Exit Velocity (avg)
177
Distance (avg)
325
Distance (max)
Sweet Spot %
Fly Ball %
Ground Ball %
MN Summer ID- Minnetonka
Jul 9, 2025
Trackman - Hitting
85.4
Exit Velocity (max)
69.3
Exit Velocity (avg)
182
Distance (avg)
306
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Summer ID- Sioux Falls
Aug 11, 2024
Trackman - Hitting
82.8
Exit Velocity (max)
74.2
Exit Velocity (avg)
189
Distance (avg)
300
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2026
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
20.9
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.
66.3
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
59.2
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.
MN Preseason All-State (Invite Only)
Mar 14, 2026
Blast - Hitting
20.9
Hand Speed (max)
20.2
Hand Speed (avg)
66.3
Bat Speed (max)
59.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2026
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.2
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
77.0
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).
2237
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.
29.0
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).
67.0
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).
1953
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).
Sinker
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
77.1
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).
2219
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).
80.1
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.3
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).
2092
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.
28.2
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).
64.7
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).
2001
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).
Sinker
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.9
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).
2103
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).
MN Preseason All-State (Invite Only)
Mar 14, 2026
Trackman - Fastball
81.2
Velocity (max)
75.9 - 79.1
Velo Range
76.2
Eff Velocity (avg)
2,344
Spin Rate (max)
2,237
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
68.2
Velocity (max)
65.6 - 68.2
Velo Range
65.5
Eff Velocity (avg)
2,084
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 - Sinker
78.1
Velocity (max)
76.3 - 77.8
Velo Range
75.8
Eff Velocity (avg)
2,284
Spin Rate (max)
2,219
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
MN Summer ID- Minnetonka
Jul 9, 2025
Trackman - Fastball
80.1
Velocity (max)
71.0 - 77.6
Velo Range
71.4
Eff Velocity (avg)
2,286
Spin Rate (max)
2,092
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)
64.1 - 65.2
Velo Range
61.3
Eff Velocity (avg)
2,138
Spin Rate (max)
2,001
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Sinker
76.3
Velocity (max)
73.9 - 75.9
Velo Range
71.8
Eff Velocity (avg)
2,190
Spin Rate (max)
2,103
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
Pitching Velos
2026
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
77.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
67.0
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
80.0
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)
64.5
Game Performance
2026
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.76
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.13
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.46
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.
1.93
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.36
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.78
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
MN Preseason All-State (Invite Only)
Mar 14, 2026
Vald
1.76
10-yd
4.13
30-yd
7.46
60-yd
18.5
Run speed (max)
1.86
RSI (max)
21.1
Jump Height (max)
Vizual Edge
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
Premium Content Area
To unlock contact information, you need to purchase a ScoutPLUS subscription.
Purchase Subscription OR
Login
Physical
2026
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/C
Body: 5-7, 152-pounds.
Hit: RHH. Balanced, slightly open, toe tap and weight shift back, small hand load back, uses while field.
Power: 85 max exit velocity, averaged 69.3 mph. 306' max distance.
Arm: RH. INF-77 mph.
Defense: Developing prep, fields ball deep, developing range, developing body awareness.
ATH: 7.78 runner in the 60. 1.93 and 4.36 in the 10 and 30 yard splits.
Positional Profile: SS/C
Body: 5-7, 152-pounds.
Hit: RHH. Wide base, squared stance Toe tap and hand load, some stiff movements, barrel has some length and works on/off contact, mid/pull approach, average barrel, ground ball to fly ball contact
Power: 83 max exit velocity, averaged 74.2 mph. 300' max distance.
Arm: RH. C-64 mph. INF-68 mph.
Defense: 2.20-2.37 pop times. C- One knee stance, sits low, shoulders are turned, works ball back to zone, average glove, some raw actions.Short footwork, stays open on release, two part exchange on throws INF- Moves direct with short choppy footwork, fields deep, stiff movements
ATH: 7.57 runner in the 60.