78.7
Exit Velocity (max)
6/03/26
CLASS OF 2028
SS
RHP
William
Mazewski
St. Peter's Prep (HS) • NJ
5' 10" • 140LBS
R/R • 16yr 4mo
Travel Team: Iron Nine
5' 10" • 140LBS
R/R • 16yr 4mo
Travel Team: Iron Nine
Rankings
2028 National
Rankings available to Premium Subscriber
2028 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
74.4
Exit Velocity (avg)
6/03/26
255
Distance (max)
6/03/26
22
Sweet Spot %
6/03/26
8.10
60-yd
6/03/26
-
30-yd
-
10-yd
-
Run speed (max)
80
INF Velo
6/03/26
-
OF Velo
-
C Velo
-
Pop Time
Fastball
79.6
Velocity (max)
6/03/26
77.7 - 79.3
Velo Range
6/03/26
2102
Spin Rate (avg)
6/03/26
Changeup
73 - 74.4
Velo Range
6/03/26
1857
Spin Rate (avg)
6/03/26
Curveball
67.6 - 69.5
Velo Range
6/03/26
2334
Spin Rate (avg)
6/03/26
Slider
68 - 71.7
Velo Range
6/03/26
2304
Spin Rate (avg)
6/03/26
Positional Tools
2026
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Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
80.0
Hitting
2026
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
78.7
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
74.4
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
255
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
130
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
15.276
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: Iron Nine (6.3.26)
Jun 3, 2026
Trackman - Hitting
78.7
Exit Velocity (max)
74.4
Exit Velocity (avg)
130
Distance (avg)
255
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
Pitching
2026
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
79.6
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
78.5
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).
2102
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.
26.8
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).
2334
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).
73.7
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).
1857
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).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
69.8
Slider
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).
2304
Slider
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: Iron Nine (6.3.26)
Jun 3, 2026
Trackman - Fastball
79.6
Velocity (max)
77.7 - 79.3
Velo Range
77.1
Eff Velocity (avg)
2,190
Spin Rate (max)
2,102
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
69.5
Velocity (max)
67.6 - 69.5
Velo Range
66.9
Eff Velocity (avg)
2,388
Spin Rate (max)
2,334
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
72.3
Velocity (max)
68.0 - 71.7
Velo Range
67.7
Eff Velocity (avg)
2,416
Spin Rate (max)
2,304
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
74.6
Velocity (max)
73.0 - 74.4
Velo Range
71.9
Eff Velocity (avg)
1,890
Spin Rate (max)
1,857
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
Pitching Velos
Game Performance
2026
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
8.1
Vizual Edge
Pitch Ai
Notes
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