@jake_stowski 
84
Velocity (max)
2/10/24
CLASS OF 2025
RHP
Jake
Chrzastowski
Benedictine (IL)
Grant (HS) • IL
5' 10" • 185LBS
R/R • 19yr
Travel Team: GRB Rays Illinois
Grant (HS) • IL
5' 10" • 185LBS
R/R • 19yr
Travel Team: GRB Rays Illinois
Rankings
2025 National
Rankings available to Premium Subscriber
2025 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
82 - 84
Velo Range
2/10/24
2158
Spin Rate (avg)
2/11/23
Changeup
76.2 - 77.4
Velo Range
2/10/24
1987
Spin Rate (avg)
2/11/23
Curveball
69.2 - 72.1
Velo Range
2/10/24
2224
Spin Rate (avg)
2/12/22
86.4
Exit Velocity (max)
2/12/22
78.7
Exit Velocity (avg)
2/12/22
278
Distance (max)
2/12/22
57
Sweet Spot %
2/11/23
22.9
Hand Speed (max)
2/11/23
74.8
Bat Speed (max)
2/11/23
18
Rot. Acc (max)
2/11/23
-
Hard Hit %
-
60-yd
4.11
30-yd
2/11/23
1.78
10-yd
2/11/23
17.6
Run speed (max)
2/11/23
83
INF Velo
2/11/23
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
2023
2022
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Home to First
The athlete's fastest home-to-first time in the given event year. Measured from bat-on-ball to foot-on-bag, in seconds (s).
4.11
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
83.0
Home to First
The athlete's fastest home-to-first time in the given event year. Measured from bat-on-ball to foot-on-bag, in seconds (s).
4.83
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
74.0
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).
85.2
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
73.9
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
246
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
187
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
29.4293
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).
86.4
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
78.7
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
278
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
181
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
23.3431
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.
McHenry Preseason ID
Feb 11, 2023
Trackman - Hitting
85.2
Exit Velocity (max)
73.9
Exit Velocity (avg)
187
Distance (avg)
246
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
McHenry Preseason ID
Feb 12, 2022
Trackman - Hitting
86.4
Exit Velocity (max)
78.7
Exit Velocity (avg)
181
Distance (avg)
278
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.
22.9
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
21.8
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
74.8
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
73.1
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.
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
21.8
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
21.1
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
69.0
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
66.3
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.
McHenry Preseason ID
Feb 11, 2023
Blast - Hitting
22.9
Hand Speed (max)
21.8
Hand Speed (avg)
74.8
Bat Speed (max)
73.1
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
McHenry Preseason ID
Feb 12, 2022
Blast - Hitting
21.8
Hand Speed (max)
21.1
Hand Speed (avg)
69.0
Bat Speed (max)
66.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2024
2023
2022
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.9
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
83.2
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).
2054
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.
24.7
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).
70.6
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).
2176
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).
76.8
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).
1558
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).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.1
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
82.3
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).
2158
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.
26.2
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).
70.6
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).
2205
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).
Splitter
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
76.3
Splitter
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).
1987
Splitter
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).
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).
77.6
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).
1958
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.
25.3
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).
64.0
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).
2224
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).
70.1
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).
1447
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).
McHenry Preseason ID
Feb 10, 2024
Trackman - Fastball
83.9
Velocity (max)
82.4 - 83.9
Velo Range
81.7
Eff Velocity (avg)
2,134
Spin Rate (max)
2,054
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
72.2
Velocity (max)
69.2 - 72.1
Velo Range
69.4
Eff Velocity (avg)
2,314
Spin Rate (max)
2,176
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
77.4
Velocity (max)
76.2 - 77.4
Velo Range
75.0
Eff Velocity (avg)
1,605
Spin Rate (max)
1,558
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
McHenry Preseason ID
Feb 11, 2023
Trackman - Fastball
83.1
Velocity (max)
81.7 - 82.9
Velo Range
80.4
Eff Velocity (avg)
2,259
Spin Rate (max)
2,158
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
71.8
Velocity (max)
69.6 - 71.6
Velo Range
68.8
Eff Velocity (avg)
2,297
Spin Rate (max)
2,205
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Splitter
76.9
Velocity (max)
75.9 - 76.8
Velo Range
74.8
Eff Velocity (avg)
1,909
Spin Rate (max)
1,987
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
McHenry Preseason ID
Feb 12, 2022
Trackman - Fastball
80.3
Velocity (max)
76.1 - 79.2
Velo Range
76.0
Eff Velocity (avg)
2,055
Spin Rate (max)
1,958
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
65.2
Velocity (max)
63.1 - 64.9
Velo Range
61.1
Eff Velocity (avg)
2,307
Spin Rate (max)
2,224
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
71.1
Velocity (max)
69.2 - 70.9
Velo Range
68.4
Eff Velocity (avg)
1,471
Spin Rate (max)
1,447
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Pitch Scores
2024
2023
2022
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.
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.
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
2024
2023
2022
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)
81.8
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
69.2
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
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
82.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.5
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)
77.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
64.0
Changeup
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
2023
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.78
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.11
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.
McHenry Preseason ID
Feb 11, 2023
Swift
1.78
10-yd
4.11
30-yd
17.6
Run speed (max)
1.77
RSI (max)
1.77
RSI (avg)
1,227
Jump Power (max)
23.5
Jump Height (max)
23.4
Jump Height (avg)
Vizual 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.
69.37
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.
72.67
Pitch Ai
2022
Arm Speed
The maximum speed, in the direction of home plate, that the wrist is traveling. Measured in meters per second (m/s)
Arm Slot
Angle of the forearm relative to the ground between maximum external rotation (MER) and ball release (BR). Which can be a powerful player comparison metric, delivered in degrees.
Knee Extension Velo
The angular velocity of the front knee straightening after foot plant, which provides indicators of velocity potential. Measured in degrees per second.
Deception
The amount of time that the ball is visible to the hitter, after the instant of front foot strike. Measures in milliseconds.
Hip-Shoulder Separation
The difference in angle of between the hips and shoulders, occurring close to the foot plant. Measured in degrees.
McHenry Preseason ID
Feb 12, 2022
ProPlayAI - Foot Plant
Elbow Flexion (avg)
Shoulder Abduction (avg)
Hip Shoulder Seperation (avg)
ProPlayAI - MER
External Rotation (avg)
Stride Length (avg)
Horizontal Abduction (avg)
ProPlayAI - Release
Arm Speed (max)
Arm Speed (avg)
Knee Extension Velocity (max)
Knee Extension Velocity (avg)
Knee Flexion (avg)
Arm Slot (avg)
Lateral Trunk Tilt (avg)
Arm Path (avg)
Deception (avg)
Torque (avg)
Efficiency (avg)
Sequencing (avg)
Notes
News
Comments
Draft Reports
Contact
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Positional Profile: RHP/3B
Body: 5-10, 165-pounds. Athletic build, evenly proportioned strength, room to get stronger in the coming years.
Delivery: Up-tempo into a high leg-lift, slightly coiled balance point, builds momentum into a drop/drive lower-half, stride works in-line, balanced finish.
Arm Action: RH. Medium arm circle into a high 3/4 release.
FB: T84, 82-84 mph. Plays with sink and dive to the arm-side. T2134, 2054 average rpm.
CB: 69-72 mph. Some feel for the zone, short 11/5 shape. T2314, 2176 average rpm.
CH: 76-77 mph. Similar arm action to the FB, plays with run and sink to the arm-side, some feel around the zone. T1605, 1558 average rpm.
Showed well in his 4.1 innings of work, striking out seven along the way. The right-hander worked his fastball in the 80-82 mph range to pair with a low 70s curveball. He used his fastball heavily throughout his outing while also proving to be able to land the curveball for strikes.
Positional Profile: 3B/RHP
Body: 5-10, 160-pounds. Proportional frame with strength.
Hit: RHH. Relaxed, slightly open setup, simple repeatable load. Twitchy, quick hands, uphill path, strong at the point of contact.
Power: 85 max exit velocity, averaged 73.9 mph.
Arm: RH. INF - 83 mph. High 3/4 slot, plays with backspin.
Defense: Steady hands and actions, clean transfer.
Run: 4.11 runner in the 30-yard dash.
Delivery: High, athletic leg-lift, drop/drive lower-half, stride works in-line to the plate, long/athletic stride.
Arm Action: RH. Short arm circle into a high 3/4 slot.
FB: T83, 82-83 mph. Plays with life and finish through the zone. T2259, 2158 average rpm.
CB: 70-72 mph. Sharp, downer 11/5 shape, mostly kept down. T2297, 2205 average rpm.
SPLT: 76-77 mph. Plays with gradual fade to the arm-side.
Positional Profile: 3B/RHP
Body: 5-10, 150-pounds. Athletic build. Broad shoulders.
Delivery: Deliberate, controlled windup. Tall at balance point. Level shoulders. Athletic drive down the mound.
Arm Action: RH. Short arm action, high 3/4 arm slot.
FB: T80.3, 76.1-79.2 mph. Two-seam action. Cutting action at times. T2055, 1958 average rpm.
CB: 63.1-64.9 mph. 12/6 shape. Able to locate for strikes. T2306, 2223 average rpm.
CH: 69.2-70.9 mph. Arm-side fade at times. T1471, 1447 average rpm.
Hit: RHH. Tall, open setup, long stride. Loose/whippy arms with bat-speed, uphill through the zone with a short path to the ball, one-handed finish.
Power: 86.4 max exit velocity, averaged 78.7 mph. 277’ max distance.
Arm: RH. INF - 74 mph. Short, loose arm action. High 3/4 arm slot.
Defense: Athletic.
Run: 4.83 runner home-to-first.