@jeff_Klominek 
88
Velocity (max)
4/03/25
CLASS OF 2025
RHP
2B
Jeff
Klominek
Twinsburg (HS) • OH
6' 0" • 170LBS
R/R • 19yr 1mo
Travel Team: Release
Rankings
2025 National
Rankings available to Premium Subscriber
2025 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
86 - 88
Velo Range
4/03/25
2329
Spin Rate (avg)
2/17/24
Changeup
76 - 77
Velo Range
4/03/25
1748
Spin Rate (avg)
2/17/24
Curveball
70.8 - 74.3
Velo Range
2/17/24
2152
Spin Rate (avg)
2/17/24
Slider
75 - 78
Velo Range
4/03/25
-
Spin Rate (avg)
93
Exit Velocity (max)
2/17/24
83.3
Exit Velocity (avg)
2/17/24
257
Distance (max)
2/17/24
73
Sweet Spot %
2/17/24
22
Hand Speed (max)
2/17/24
70.5
Bat Speed (max)
2/17/24
18.6
Rot. Acc (max)
2/17/24
45
Hard Hit %
2/17/24
7.55
60-yd
2/17/24
-
30-yd
-
10-yd
16.2
Run speed (max)
2/17/24
Positional Tools
Hitting
2024
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Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
93.0
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
83.3
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
257
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
171
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
14.5432
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.
Scout Day: Release 2.17.24
Feb 17, 2024
Trackman - Hitting
93.0
Exit Velocity (max)
83.3
Exit Velocity (avg)
171
Distance (avg)
257
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2024
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
22.0
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
21.2
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
70.5
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
67.5
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.
Scout Day: Release 2.17.24
Feb 17, 2024
Blast - Hitting
22.0
Hand Speed (max)
21.2
Hand Speed (avg)
70.5
Bat Speed (max)
67.5
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
86.4
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
85.6
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).
2329
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.
27.2
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).
72.6
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).
2152
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).
1748
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).
Scout Day: Release 2.17.24
Feb 17, 2024
Trackman - Fastball
86.4
Velocity (max)
85.0 - 86.2
Velo Range
85.3
Eff Velocity (avg)
2,407
Spin Rate (max)
2,329
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
74.3
Velocity (max)
70.8 - 74.3
Velo Range
71.0
Eff Velocity (avg)
2,191
Spin Rate (max)
2,152
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
76.6
Velocity (max)
75.5 - 76.6
Velo Range
74.8
Eff Velocity (avg)
1,825
Spin Rate (max)
1,748
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
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.
Pitching Velos
2025
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
88.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
87.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
76.5
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
76.5
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)
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)
70.0
Game Performance
2024
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.55
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vizual Edge
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
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Jeff KLOMINEK: RHP/2B, (2025) Twinsburg High School, OH. 6-foot, 170-pound athletic projectable frame. (67.5 mph bat speed average). (21.2 mph hand speed average). Begins in an open stance with a rhythmic load, then uses a small leg kick. Had efficient bat speed, upward swing plane and good extension on his finish. He barreled up multiple balls with a lot of loud contact. Aggressive approach. Smooth In the infield, has athletic in control feet, next level hands, and a clean fluid exchange. Movements laterally were athletic and he fields the ball out front. Advanced on the mound, showed quick arm speed, also used a clean arm action and a high ¾ arm angle. Stretch only type pitcher and shows some effort. Balance is tall point with an uphill shoulders in his delivery. Lands square with an athletic finish. (Max spin 2407; Avg 2328).