84.3
Velocity (max)
10/19/25
CLASS OF 2026
LHP
1B
Daniel
Zeleznik
Mauldin (HS) • SC
6' 2" • 195LBS
R/L • 17yr 10mo
Travel Team: Ace Baseball Academy
6' 2" • 195LBS
R/L • 17yr 10mo
Travel Team: Ace Baseball Academy
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
81 - 84
Velo Range
10/19/25
1999
Spin Rate (avg)
10/19/25
Changeup
77 - 79
Velo Range
10/19/25
1569
Spin Rate (avg)
10/19/25
Curveball
73 - 75
Velo Range
10/19/25
2124
Spin Rate (avg)
10/19/25
Positional Tools
Hitting
Hitting
Pitching
2025
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
84.3
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).
1999
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.
24.3
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).
74.1
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).
2124
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).
77.7
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).
1569
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).
Fall Top Prospect Games: USC Upstate
Oct 19, 2025
Trackman - Fastball
84.3
Velocity (max)
81.1 - 83.6
Velo Range
81.5
Eff Velocity (avg)
2,135
Spin Rate (max)
1,999
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
75.0
Velocity (max)
73.5 - 74.8
Velo Range
72.4
Eff Velocity (avg)
2,273
Spin Rate (max)
2,124
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
78.9
Velocity (max)
76.6 - 78.8
Velo Range
77.1
Eff Velocity (avg)
1,611
Spin Rate (max)
1,569
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Pitch Scores
2025
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.
Pitching Velos
2025
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)
82.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
74.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
78.0
Game Performance
Vizual Edge
Pitch Ai
Notes
News
- South Carolina Rankings: Class of 2026 New Comers End of Fall 2025 Update - Dec 10, 2025
- Fall Top Prospect Games at USC Upstate: Pitcher Scouting Reports - Nov 24, 2025
- Fall Top Prospect Games at USC Upstate: Vald Athletic Testing Metrics - Nov 5, 2025
- Fall Top Prospect Games at USC Upstate: Trackman Pitching Leaders - Oct 30, 2025
- Fall Top Prospect Games at USC Upstate: Quick Hitters - Oct 24, 2025
- Fall Top Prospect Games at USC Upstate: Data Dive - Oct 22, 2025
Comments
Draft Reports
Contact
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Positional Profile: LHP/1B
Body: 6-2, 195-pounds. Athletic build.
Delivery: Sidesaddle windup. Drop and drive delivery.
Arm Action: LH. Long stabber motion in the back-swing into a 3/4 arm slot.
FB: T84, 81-84 mph. Generates riding action with armside run. Controlled for strikes. T2135, 1999 average rpm.
CB: 73-75 mph. 12/6 movement with equal sweep and depth. T2273, 2124 average rpm.
CH: 77-79 mph. Maintains arm speed. Generates armside run. T1611, 1569 average rpm.