80.3
Velocity (max)
4/09/25
CLASS OF 2029
RHP
OF
Rocky
Kostyk
St Rita (HS) • IL
6' 0" • 165LBS
R/R • 14yr 8mo
Travel Team: Hitters udc
6' 0" • 165LBS
R/R • 14yr 8mo
Travel Team: Hitters udc
Rankings
2029 National
Rankings available to Premium Subscriber
2029 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
76.8 - 79.2
Velo Range
4/09/25
2049
Spin Rate (avg)
4/09/25
Changeup
67 - 69.4
Velo Range
6/11/25
1499
Spin Rate (avg)
6/11/25
Curveball
67.5 - 70.4
Velo Range
4/09/25
1941
Spin Rate (avg)
4/09/25
88
Exit Velocity (max)
4/09/25
82.6
Exit Velocity (avg)
4/09/25
303
Distance (max)
6/11/25
70
Sweet Spot %
4/09/25
7.40
60-yd
6/11/25
4.04
30-yd
6/11/25
1.72
10-yd
4/09/25
18.2
Run speed (max)
6/11/25
-
INF Velo
76
OF Velo
4/09/25
-
C Velo
-
Pop Time
Positional Tools
2025
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.40
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
76.0
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.
11.9
Hitting
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
88.0
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
75.9
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
303
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
210
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.9747
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.
Illinois Rising Stars Game
Jun 11, 2025
Trackman - Hitting
86.1
Exit Velocity (max)
69.2
Exit Velocity (avg)
240
Distance (avg)
303
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
McCook Rising Stars ID
Apr 9, 2025
Trackman - Hitting
88.0
Exit Velocity (max)
82.6
Exit Velocity (avg)
183
Distance (avg)
256
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
Pitching
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
80.3
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
75.3
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).
1844
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.
24.4
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).
67.8
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).
1923
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).
68.2
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).
1499
Illinois Rising Stars Game
Jun 11, 2025
Trackman - Fastball
76.1
Velocity (max)
71.0 - 75.0
Velo Range
71.5
Eff Velocity (avg)
1,835
Spin Rate (max)
1,670
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
64.5
Velocity (max)
61.9 - 64.5
Velo Range
59.8
Eff Velocity (avg)
1,816
Spin Rate (max)
1,816
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
69.4
Velocity (max)
67.0 - 69.4
Velo Range
67.7
Eff Velocity (avg)
1,545
Spin Rate (max)
1,499
Spin Rate (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
McCook Rising Stars ID
Apr 9, 2025
Trackman - Fastball
80.3
Velocity (max)
76.8 - 79.2
Velo Range
76.6
Eff Velocity (avg)
2,156
Spin Rate (max)
2,049
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
71.3
Velocity (max)
67.5 - 70.4
Velo Range
66.0
Eff Velocity (avg)
1,964
Spin Rate (max)
1,941
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
2025
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
Pitching Velos
2025
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)
75.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
66.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
68.0
Game Performance
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.72
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.04
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.4
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vizual Edge
Pitch Ai
Notes
Comments
Draft Reports
Contact
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Positional Profile: OF
Body: 5-11, 165 pounds.
Hit: RHH. Wide setup, toe-taps into a long stride. Quick hands, works on top of the baseball, pull-side approach.
Power: 88 mph max exit velocity (82.6 avg.); 256-foot max batted distance.
Arm: RH. OF - 76 mph. Short arm action, high 3/4 slot.
Defense: Plays low to the ground, gets behind the baseball.
Athletic Testing: 7.55 runner in the 60-yard dash.
Delivery: Gathers himself into a high leg-lift, drop/drive, works in-line.
Arm Action: RH. Short arm action, 3/4 slot, tight window.
FB: T80, 77-79 mph. Life out of the hand, plays with narual run. T2156, 2049 average rpm.
CB: 67-70 mph. Short 11/5 shape, played a bit like a slider. T1964, 1941 average rpm.