@jj_dering 16.6
Hand Speed (max)
1/03/25
CLASS OF 2029
3B
RHP
JJ
Dering
Jesuit (HS) • FL
5' 10" • 178LBS
L/R • 14yr 11mo
Travel Team: USA Prime Tampa Scout 15U
5' 10" • 178LBS
L/R • 14yr 11mo
Travel Team: USA Prime Tampa Scout 15U
Rankings
2029 National
Rankings available to Premium Subscriber
2029 State
Rankings available to Premium Subscriber
Commitment
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Best Of Stats
56.6
Bat Speed (max)
1/03/25
7.3
Rot. Acc (max)
1/03/25
-
Hard Hit %
80.1
Exit Velocity (max)
6/03/26
75.7
Exit Velocity (avg)
6/03/26
251
Distance (max)
6/03/26
50
Sweet Spot %
6/03/26
9.09
60-yd
6/03/26
4.81
30-yd
6/03/26
1.99
10-yd
6/03/26
-
Run speed (max)
69
INF Velo
6/03/26
-
OF Velo
-
C Velo
-
Pop Time
Fastball
76
Velocity (max)
6/18/26
70 - 76
Velo Range
6/18/26
1916
Spin Rate (avg)
6/03/26
Changeup
67.9 - 69
Velo Range
6/03/26
1767
Spin Rate (avg)
6/03/26
Curveball
63.8 - 64.8
Velo Range
6/03/26
1886
Spin Rate (avg)
6/03/26
Positional Tools
2026
2025
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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).
69.0
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
9.51
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
64.0
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.
8.0
Hitting
2026
2025
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).
75.7
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
251
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
90
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
2.4656
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).
75.8
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).
220
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
129
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.1762
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.
Tampa Summer ID
Jun 3, 2026
Trackman - Hitting
80.1
Exit Velocity (max)
75.7
Exit Velocity (avg)
90
Distance (avg)
251
Distance (max)
Sweet Spot %
Line Drive %
Ground Ball %
Scorpions High School Tryouts
Jan 3, 2025
Trackman - Hitting
75.8
Exit Velocity (max)
65.5
Exit Velocity (avg)
129
Distance (avg)
220
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2025
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
16.6
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
15.0
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
56.6
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
53.1
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.
Scorpions High School Tryouts
Jan 3, 2025
Blast - Hitting
16.6
Hand Speed (max)
15.0
Hand Speed (avg)
56.6
Bat Speed (max)
53.1
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).
74.1
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
71.9
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).
1903
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).
64.3
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).
1886
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).
68.5
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).
1767
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).
73.4
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).
1916
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).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
69.4
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
67.4
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).
1839
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.
27.3
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).
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).
1528
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).
63.4
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).
1309
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).
Tampa Summer ID
Jun 3, 2026
Trackman - Fastball
74.1
Velocity (max)
70.3 - 73.4
Velo Range
71.6
Eff Velocity (avg)
1,986
Spin Rate (max)
1,903
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
64.8
Velocity (max)
63.8 - 64.8
Velo Range
64.0
Eff Velocity (avg)
1,927
Spin Rate (max)
1,886
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
69.0
Velocity (max)
67.9 - 69.0
Velo Range
68.1
Eff Velocity (avg)
1,837
Spin Rate (max)
1,767
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Cutter
74.0
Velocity (max)
72.6 - 74.0
Velo Range
73.8
Eff Velocity (avg)
1,979
Spin Rate (max)
1,916
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Scorpions High School Tryouts
Jan 3, 2025
Trackman - Fastball
69.4
Velocity (max)
66.4 - 68.5
Velo Range
67.9
Eff Velocity (avg)
1,951
Spin Rate (max)
1,839
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
60.4
Velocity (max)
58.2 - 60.3
Velo Range
59.3
Eff Velocity (avg)
1,625
Spin Rate (max)
1,528
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
65.1
Velocity (max)
62.3 - 64.9
Velo Range
64.8
Eff Velocity (avg)
1,410
Spin Rate (max)
1,309
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
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).
76.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.0
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
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)
67.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
59.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
63.5
Game Performance
2026
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.99
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.81
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
9.09
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
2026
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.
57.1
Pitch Ai
Notes
News
- 2026 Florida Open Recap + Standouts - Jun 25, 2026
- Tampa Summer ID/Rising Stars ID: Data Dive, Pitchers - Jun 8, 2026
- Tampa Summer ID/Rising Stars ID: Data Dive, Position Players - Jun 6, 2026
- Tampa Summer ID: Statistical Leaderboards - Jun 4, 2026
- Tampa Summer ID: Event Preview - Jun 1, 2026
- Tampa Preseason ID: Event Preview - Dec 19, 2025
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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.