22.8
Hand Speed (max)
6/29/22
CLASS OF 2024
SS
OF
AJ
Kolb
Stephen Decatur (HS) • MD
5' 10" • 165LBS
R/R • 18yr
Travel Team: Richmond Braves 17U Platinum Prospects
5' 10" • 165LBS
R/R • 18yr
Travel Team: Richmond Braves 17U Platinum Prospects
Rankings
2024 National
Rankings available to Premium Subscriber
2024 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
72.1
Bat Speed (max)
2/19/22
17.3
Rot. Acc (max)
6/29/22
-
Hard Hit %
90.1
Exit Velocity (max)
2/19/23
83.5
Exit Velocity (avg)
2/19/23
324
Distance (max)
2/19/23
92
Sweet Spot %
6/29/22
6.44
60
2/19/22
3.71
30-yd
8/09/23
1.66
10-yd
8/09/23
21.7
Run speed (max)
8/09/23
86
INF Velo
2/19/23
85
OF Velo
8/09/23
-
C Velo
-
Pop Time
Fastball
85
Velocity (max)
3/09/23
82 - 84
Velo Range
3/09/23
2214
Spin Rate (avg)
2/19/22
Changeup
75.6 - 76.4
Velo Range
2/19/22
1368
Spin Rate (avg)
2/19/22
Curveball
74 - 75
Velo Range
3/09/23
1746
Spin Rate (avg)
2/19/22
Positional Tools
2023
2022
Sign in to view rankings 
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
6.53
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
86.0
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
85.0
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.
13.8
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
6.44
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
85.0
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.
13.7
Hitting
2023
2022
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
90.1
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
82.8
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
324
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
192
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
16.8
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).
88.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
79.6
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
288
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
212
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.
2023 VA/DC Unsigned Senior Games
Aug 9, 2023
Trackman - Hitting
87.3
Exit Velocity (max)
82.1
Exit Velocity (avg)
183
Distance (avg)
308
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2023 MD Preseason All-State Session II
Feb 19, 2023
Trackman - Hitting
90.1
Exit Velocity (max)
83.5
Exit Velocity (avg)
200
Distance (avg)
324
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2022 PBR Future Games
Jul 27, 2022
Trackman - Hitting
87.7
Exit Velocity (max)
80.9
Exit Velocity (avg)
180
Distance (avg)
284
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2022 VA/DC Top Prospect Games
Jun 29, 2022
Trackman - Hitting
88.3
Exit Velocity (max)
82.0
Exit Velocity (avg)
200
Distance (avg)
288
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2022 Maryland Preseason All State II (Sold Out)
Feb 19, 2022
Trackman - Hitting
86.1
Exit Velocity (max)
77.0
Exit Velocity (avg)
225
Distance (avg)
284
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2023
2022
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
20.3
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
19.4
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
70.8
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
66.7
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.
22.8
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.0
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
72.1
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
64.8
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.
2023 VA/DC Unsigned Senior Games
Aug 9, 2023
Blast - Hitting
20.3
Hand Speed (max)
19.4
Hand Speed (avg)
70.8
Bat Speed (max)
67.5
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2023 MD Preseason All-State Session II
Feb 19, 2023
Blast - Hitting
19.9
Hand Speed (max)
19.5
Hand Speed (avg)
67.4
Bat Speed (max)
65.5
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2022 PBR Future Games
Jul 27, 2022
Blast - Hitting
20.1
Hand Speed (max)
19.2
Hand Speed (avg)
66.3
Bat Speed (max)
62.7
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2022 VA/DC Top Prospect Games
Jun 29, 2022
Blast - Hitting
22.8
Hand Speed (max)
21.1
Hand Speed (avg)
68.8
Bat Speed (max)
64.7
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2022 Maryland Preseason All State II (Sold Out)
Feb 19, 2022
Blast - Hitting
21.8
Hand Speed (max)
19.2
Hand Speed (avg)
72.1
Bat Speed (max)
66.9
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).
83.3
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
81.9
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).
2214
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).
74.5
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).
1746
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).
76.0
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).
1368
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).
2022 Maryland Preseason All State II (Sold Out)
Feb 19, 2022
Trackman - Fastball
83.3
Velocity (max)
80.9 - 82.8
Velo Range
77.8
Eff Velocity (avg)
2,364
Spin Rate (max)
2,214
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
74.9
Velocity (max)
74.0 - 74.9
Velo Range
71.0
Eff Velocity (avg)
1,886
Spin Rate (max)
1,746
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
76.4
Velocity (max)
75.6 - 76.4
Velo Range
73.1
Eff Velocity (avg)
1,368
Spin Rate (max)
1,368
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Pitch Scores
Pitching Velos
2023
2022
2021
2020
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)
83.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
74.5
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)
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)
74.0
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).
74.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.5
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).
72.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
65.0
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.
1.66
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.71
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
6.53
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.66
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.71
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
6.53
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.61
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.71
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
6.62
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.
2022 PBR Future Games
Jul 27, 2022
Swift
1.61
10-yd
3.71
30-yd
6.62
60-yd
21.4
Run speed (max)
9.1
Run Speed (avg)
2.17
RSi (max)
2.17
RSi (avg)
1,841
Jump Power (max)
35.5
Jump Height (max)
34.8
Jump Height (avg)
Visual Edge
2023
2022
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.
73.26
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.
76.01
Pitch Ai
Notes
News
- USG Superlatives: Best Defenders - Aug 16, 2023
- USG Superlatives: Speedsters - Aug 14, 2023
- Maryland Most Viewed Profiles of 2022: No. 26 - Jan 3, 2023
- Future Games Team Mid-Atlantic: Game 2 Highlights - Jul 30, 2022
- Future Games Team Mid-Atlantic: Game 1 Highlights - Jul 29, 2022
- Future Games: Team Mid-Atlantic Workout Notes - Jul 27, 2022
- Future Games: Team Mid-Atlantic, Part 1 - Jul 25, 2022
- VA/DC TPG Superlatives: Speedsters - Jul 13, 2022
- VA/DC Top Prospect Games: Quick Hits - Jul 5, 2022
- Maryland Trending UP: March 20 - Mar 24, 2022
- MD Preseason All-State II Superlatives: Best Defenders - Feb 25, 2022
- MD Preseason All-State II Superlatives: Most Projectable Athletes - Feb 25, 2022
- MD Preseason All-State II Superlatives: Best Hit Tool - Feb 25, 2022
- MD Preseason All-State II Superlatives: Projectable Hitters - Feb 24, 2022
- DCP Battlegrounds Scout Notes: Part 2 - Oct 7, 2021
- DCP Battlegrounds Quick Hits: Bats - Oct 5, 2021
Comments
Draft Reports
Contact
Premium Content Area
To unlock contact information, you need to purchase a ScoutPLUS subscription.
Purchase Subscription OR
Login