76.8
Velocity (max)
10/20/25
CLASS OF 2028
RHP
SS
Zachary
Piazza
Mauldin (HS) • SC
5' 9" • 155LBS
S/R • 15yr 11mo
Travel Team: USA Prime
5' 9" • 155LBS
S/R • 15yr 11mo
Travel Team: USA Prime
Rankings
2028 National
Rankings available to Premium Subscriber
2028 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
Player has made a commitment?
Tell us where
Best Of Stats
Fastball
74.9 - 76.6
Velo Range
10/20/25
1907
Spin Rate (avg)
10/20/25
Changeup
69.7 - 70.6
Velo Range
10/20/25
1754
Spin Rate (avg)
10/20/25
Slider
65.6 - 67.8
Velo Range
10/20/25
1608
Spin Rate (avg)
10/20/25
Positional Tools
Hitting
Hitting
Pitching
2025
Sign in to view rankings 
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
76.8
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
75.7
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).
1907
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.
25.2
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).
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
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).
1754
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).
66.7
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).
1608
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).
2025 Prep Baseball Scout Day: Mauldin HS
Oct 20, 2025
Trackman - Fastball
76.8
Velocity (max)
74.9 - 76.6
Velo Range
73.0
Eff Velocity (avg)
1,929
Spin Rate (max)
1,907
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
67.9
Velocity (max)
65.6 - 67.8
Velo Range
63.8
Eff Velocity (avg)
1,643
Spin Rate (max)
1,608
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
70.7
Velocity (max)
69.7 - 70.6
Velo Range
67.9
Eff Velocity (avg)
1,866
Spin Rate (max)
1,754
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
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.74
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.08
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.49
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vizual Edge
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
Premium Content Area
To unlock contact information, you need to purchase a ScoutPLUS subscription.
Purchase Subscription OR
Login