21.4
Hand Speed (max)
3/11/23
CLASS OF 2026
SS
RHP
John
Chiarenza
Grand Island (HS) • NY
5' 10" • 175LBS
R/R • 16yr 2mo
Travel Team: Thunderwolves
5' 10" • 175LBS
R/R • 16yr 2mo
Travel Team: Thunderwolves
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
69.1
Bat Speed (max)
3/11/23
12
Rot. Acc (max)
3/11/23
-
Hard Hit %
91.4
Exit Velocity (max)
3/11/23
83.5
Exit Velocity (avg)
2/19/24
310
Distance (max)
3/11/23
50
Sweet Spot %
2/19/24
7.1
60
2/19/24
-
30-yd
-
10-yd
17.3
Run speed (max)
2/19/24
77
INF Velo
3/11/23
-
OF Velo
-
C Velo
-
Pop Time
Fastball
75.3
Velocity (max)
3/11/23
74.3 - 75.1
Velo Range
3/11/23
1689
Spin Rate (avg)
3/11/23
Changeup
69.8 - 72.9
Velo Range
3/11/23
1433
Spin Rate (avg)
3/11/23
Curveball
68.3 - 68.8
Velo Range
3/11/23
1832
Spin Rate (avg)
3/11/23
Positional Tools
2024
2023
2022
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.10
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.
12.9
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
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
68.0
Hitting
2024
2023
2022
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
91.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
83.5
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
294
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
184
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
17.2
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).
91.4
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
75.5
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
310
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
225
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
30.7
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).
77.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
60.8
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
254
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
116
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
17.4
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.
2024 Thunderwolves Scout Day (Preseason)
Feb 19, 2024
Trackman - Hitting
91.3
Exit Velocity (max)
83.5
Exit Velocity (avg)
184
Distance (avg)
294
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2023 Thunderwolves Scout Day (Preseason)
Mar 11, 2023
Trackman - Hitting
91.4
Exit Velocity (max)
75.5
Exit Velocity (avg)
225
Distance (avg)
310
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2022 Thunderwolves Scout Day (Summer)
Aug 21, 2022
Trackman - Hitting
77.3
Exit Velocity (max)
60.8
Exit Velocity (avg)
116
Distance (avg)
254
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.
21.4
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.7
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
69.1
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.
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
21.2
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.0
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
64.7
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
60.8
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.
2023 Thunderwolves Scout Day (Preseason)
Mar 11, 2023
Blast - Hitting
21.4
Hand Speed (max)
20.7
Hand Speed (avg)
69.1
Bat Speed (max)
66.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2022 Thunderwolves Scout Day (Summer)
Aug 21, 2022
Blast - Hitting
21.2
Hand Speed (max)
20.0
Hand Speed (avg)
64.7
Bat Speed (max)
60.8
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
75.3
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.7
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).
1689
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.
22.6
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).
68.6
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).
1832
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).
71.4
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).
1433
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).
2023 Thunderwolves Scout Day (Preseason)
Mar 11, 2023
Trackman - Fastball
75.3
Velocity (max)
74.3 - 75.1
Velo Range
72.9
Eff Velocity (avg)
1,807
Spin Rate (max)
1,689
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
68.8
Velocity (max)
68.3 - 68.8
Velo Range
67.0
Eff Velocity (avg)
1,881
Spin Rate (max)
1,832
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
72.9
Velocity (max)
69.8 - 72.9
Velo Range
69.8
Eff Velocity (avg)
1,623
Spin Rate (max)
1,433
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
Game Performance
2024
2023
2022
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.10
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.21
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.48
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Visual Edge
Pitch Ai
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