@Jaydonkoffler 
78.3
Velocity (max)
6/10/25
CLASS OF 2026
RHP
SS
Jaydon
Koffler
Hot Springs High School - 01 (HS) • SD
5' 10" • 150.6LBS
R/R • 17yr 11mo
Travel Team: Hot Springs
5' 10" • 150.6LBS
R/R • 17yr 11mo
Travel Team: Hot Springs
Rankings
2026 National
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
75.9 - 78.1
Velo Range
6/10/25
2101
Spin Rate (avg)
6/10/25
Slider
66 - 68
Velo Range
6/10/25
2338
Spin Rate (avg)
6/10/25
82.5
Exit Velocity (max)
6/10/25
74.9
Exit Velocity (avg)
6/10/25
228
Distance (max)
6/10/25
29
Sweet Spot %
6/10/25
19
Hand Speed (max)
6/10/25
64.4
Bat Speed (max)
6/10/25
11.4
Rot. Acc (max)
6/10/25
-
Hard Hit %
7.68
60-yd
6/10/25
4.22
30-yd
6/10/25
1.83
10-yd
6/10/25
17.7
Run speed (max)
6/10/25
77
INF Velo
6/10/25
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
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).
77.0
Hitting
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
82.5
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
74.9
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
228
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
80
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
5.1476
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.
Dakota State Games
Jun 10, 2025
Trackman - Hitting
82.5
Exit Velocity (max)
74.9
Exit Velocity (avg)
80
Distance (avg)
228
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.
19.0
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
18.5
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
64.4
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
57.3
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.
Dakota State Games
Jun 10, 2025
Blast - Hitting
19.0
Hand Speed (max)
18.5
Hand Speed (avg)
64.4
Bat Speed (max)
57.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
78.3
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).
2101
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).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
66.7
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).
2338
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).
Dakota State Games
Jun 10, 2025
Trackman - Fastball
78.3
Velocity (max)
75.9 - 78.1
Velo Range
75.6
Eff Velocity (avg)
2,230
Spin Rate (max)
2,101
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
68.0
Velocity (max)
65.7 - 67.7
Velo Range
64.8
Eff Velocity (avg)
2,483
Spin Rate (max)
2,338
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
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
78.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
77.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
67.0
Game Performance
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.83
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.
7.68
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.
Dakota State Games
Jun 10, 2025
Vald
1.83
10-yd
4.22
30-yd
7.68
60-yd
17.7
Run speed (max)
1.61
RSI (max)
19.2
Jump Height (max)
Vizual Edge
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
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Physical
2025
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: RHP/SS
Body: 5-10, 151-pounds.
Delivery: Standard start, leg lift to slight back leg drop, lands inline.
Arm Action: RH. Long AA, starts down, spirals up behind head, some shoulder tilt, 3/4 slot.
FB: T78, 76-78 mph. T2230, 2101 average rpm.
SL: 66-68 mph. T2483, 2338 average rpm.
ATH: 7.68 runner in the 60. 1.83 and 4.22 in the 10 and 30 yard splits. 19.20 max vertical.
Positional Profile: RHP/SS
Body: 5-10, 151-pounds.
Hit: RHH. square stance with heavier leg kick trigger and longer movements, ground ball and line drive contact, inconsistent barrel and approach through bp. 57.3 mph bat speed with 10 G's of rotational acceleration.
Power: 82 max exit velocity, averaged 74.9 mph. 228' max distance.
Arm: RH. INF-77 mph.
Defense: Average footwork, developing glove and transition, quick release to throw,
ATH: 7.68 runner in the 60. 1.83 and 4.22 in the 10 and 30 yard splits. 19.20 max vertical.