@mackchiavarone 18.6
Hand Speed (max)
3/08/26
CLASS OF 2029
C
1B
Mack
Chiavarone
Princeton Day (HS) • NJ
5' 7" • 188LBS
L/R • 15yr 4mo
Travel Team: USA Prime HBA
5' 7" • 188LBSL/R • 15yr 4mo
Travel Team: USA Prime HBA
Rankings
2029 National
Rankings available to Premium Subscriber
2029 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
62.9
Bat Speed (max)
3/08/26
15.1
Rot. Acc (max)
3/08/26
-
Hard Hit %
85.1
Exit Velocity (max)
3/08/26
73.6
Exit Velocity (avg)
3/08/26
294
Distance (max)
3/08/26
60
Sweet Spot %
6/24/26
7.50
60-yd
3/08/26
4.14
30-yd
3/08/26
1.66
10-yd
7/14/26
18.3
Run speed (max)
3/08/26
-
INF Velo
-
OF Velo
70
C Velo
6/24/26
2.25 - 2.40
Pop Time
3/08/26
Positional Tools
2026
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.50
Pop Time
The athlete's fastest pop time in the given event year. Measured from glove to glove, in seconds (s).
2.25 - 2.40
Catcher Velocity
The athlete's maximum throwing velocity from the catcher position in the given event year. Measured in miles per hour (MPH).
70.0
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.
11.3
Hitting
2026
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
85.1
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
71.4
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).
155
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.7237
Hard Hit %
Percentage of batted balls with exit velocities over 90 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.
2026 New England Academic Games
Jul 14, 2026
Trackman - Hitting
65.6
Exit Velocity (max)
57.2
Exit Velocity (avg)
160
Distance (avg)
201
Distance (max)
Sweet Spot %
Fly Ball %
2026 NJ Top Prospect Games: Session II
Jun 24, 2026
Trackman - Hitting
84.9
Exit Velocity (max)
73.0
Exit Velocity (avg)
155
Distance (avg)
274
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2026 NJ Preseason All-State: Session I
Mar 8, 2026
Trackman - Hitting
85.1
Exit Velocity (max)
73.6
Exit Velocity (avg)
154
Distance (avg)
294
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2026
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
18.6
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
17.5
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
62.9
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
61.6
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.
2026 NJ Preseason All-State: Session I
Mar 8, 2026
Blast - Hitting
18.6
Hand Speed (max)
17.5
Hand Speed (avg)
62.9
Bat Speed (max)
61.6
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
Pitch Scores
Pitching Velos
Game Performance
2026
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.66
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.14
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.5
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.
2026 New England Academic Games
Jul 14, 2026
Vald
1.66
10-yd
4.25
30-yd
7.86
60-yd
17.0
Run speed (max)
0.92
RSI (max)
15.8
Jump Height (max)
2026 NJ Top Prospect Games: Session II
Jun 24, 2026
Vald
1.84
10-yd
4.37
30-yd
7.97
60-yd
17.0
Run speed (max)
0.90
RSI (max)
16.0
Jump Height (max)
2026 NJ Preseason All-State: Session I
Mar 8, 2026
Vald
1.77
10-yd
4.14
30-yd
7.50
60-yd
18.3
Run speed (max)
0.91
RSI (max)
15.9
Jump Height (max)
Vizual Edge
2026
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.
78.19
Pitch Ai
Notes
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Comments
Draft Reports
Contact
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Physical
2026
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.