@Jacobdiaz2400 
87.6
Velocity (max)
3/03/26
CLASS OF 2026
LHP
OF
Jacob
Diaz
Sparta (HS) • NJ
5' 11" • 155LBS
L/L • 17yr 8mo
Travel Team: Rising Rebels
5' 11" • 155LBS
L/L • 17yr 8mo
Travel Team: Rising Rebels
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
Fastball
86.1 - 87.5
Velo Range
3/03/26
2107
Spin Rate (avg)
3/04/25
Changeup
76.8 - 79.8
Velo Range
3/03/26
2272
Spin Rate (avg)
3/03/26
Curveball
72.8 - 76.1
Velo Range
3/03/26
1853
Spin Rate (avg)
3/04/25
Slider
72 - 75
Velo Range
7/02/25
1760
Spin Rate (avg)
7/02/25
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Positional Tools
Hitting
Hitting
Pitching
2026
2025
2024
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
87.6
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
86.8
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).
1928
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.
22.2
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).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.4
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).
1831
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).
78.3
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).
2272
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).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
85.5
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
84.0
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).
2058
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.
24.5
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).
68.7
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).
1760
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).
76.0
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).
1841
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).
73.6
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).
1760
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).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.3
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
80.3
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).
1992
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.
24.8
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).
64.7
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).
1709
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).
72.0
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).
1504
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).
2026 Wladyka Baseball/Power Arm Pitcher Showcase
Mar 3, 2026
Trackman - Fastball
87.6
Velocity (max)
86.1 - 87.5
Velo Range
86.3
Eff Velocity (avg)
2,017
Spin Rate (max)
1,928
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
76.5
Velocity (max)
72.8 - 76.1
Velo Range
72.6
Eff Velocity (avg)
1,940
Spin Rate (max)
1,831
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
80.3
Velocity (max)
76.8 - 79.8
Velo Range
78.4
Eff Velocity (avg)
2,370
Spin Rate (max)
2,272
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
New Jersey Top Prospect Games - Session II (Invite-Only)
Jul 2, 2025
Trackman - Fastball
85.5
Velocity (max)
83.7 - 85.1
Velo Range
83.6
Eff Velocity (avg)
2,197
Spin Rate (max)
2,012
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
74.7
Velocity (max)
72.4 - 74.7
Velo Range
71.5
Eff Velocity (avg)
1,776
Spin Rate (max)
1,760
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
78.2
Velocity (max)
75.0 - 77.0
Velo Range
75.3
Eff Velocity (avg)
2,077
Spin Rate (max)
1,856
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
2025 Wladyka Baseball Pitcher Showcase
Mar 4, 2025
Trackman - Fastball
85.2
Velocity (max)
82.9 - 84.8
Velo Range
83.5
Eff Velocity (avg)
2,175
Spin Rate (max)
2,107
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
71.3
Velocity (max)
68.6 - 71.3
Velo Range
69.0
Eff Velocity (avg)
1,906
Spin Rate (max)
1,853
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
78.3
Velocity (max)
77.5 - 78.3
Velo Range
78.4
Eff Velocity (avg)
1,855
Spin Rate (max)
1,796
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
2025 Northern NJ Preseason ID
Feb 16, 2025
Trackman - Fastball
83.9
Velocity (max)
82.8 - 83.9
Velo Range
83.5
Eff Velocity (avg)
2,136
Spin Rate (max)
2,095
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Curveball
68.8
Velocity (max)
66.3 - 68.4
Velo Range
66.8
Eff Velocity (avg)
1,722
Spin Rate (max)
1,645
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
76.6
Velocity (max)
71.9 - 76.6
Velo Range
73.0
Eff Velocity (avg)
1,922
Spin Rate (max)
1,817
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
2024 NJ Fall Last Chance Open
Nov 2, 2024
Trackman - Fastball
83.3
Velocity (max)
81.5 - 83.1
Velo Range
82.2
Eff Velocity (avg)
2,147
Spin Rate (max)
2,027
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
67.7
Velocity (max)
64.4 - 67.4
Velo Range
64.4
Eff Velocity (avg)
1,884
Spin Rate (max)
1,775
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
73.1
Velocity (max)
71.0 - 73.0
Velo Range
72.2
Eff Velocity (avg)
1,590
Spin Rate (max)
1,547
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
2024 Wladyka Baseball Pitcher Showcase
Mar 6, 2024
Trackman - Fastball
80.2
Velocity (max)
78.2 - 80.0
Velo Range
78.5
Eff Velocity (avg)
2,054
Spin Rate (max)
1,970
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
64.8
Velocity (max)
62.7 - 64.5
Velo Range
63.0
Eff Velocity (avg)
1,773
Spin Rate (max)
1,642
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
72.5
Velocity (max)
71.8 - 72.4
Velo Range
1,496
Spin Rate (max)
1,439
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
2025
2024
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.
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
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
86.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
84.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
76.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.5
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
83.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
80.8
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
64.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
72.0
Game Performance
2025
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
Vizual Edge
2025
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.
69.91
Pitch Ai
Notes
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Jacob Diaz, Sparta (NJ), 2026
Positional Profile: LHP/1B
Body: 5-10, 150-pounds. Lean, athletic frame with room to fill out.
Delivery: Primarily out of the stretch. High leg kick, Firm, athletic balance leg. Gets down the mound with explosiveness. Lands square but will spin off to 1B side of rubber.
Arm Action: LH. Shorter arm action, stab on the backside. High-3/4 slot.
FB: T83, 82-83 mph. FB showed late life through the zone with high IVB. Some occasional cut. T2147, 2027 average rpm.
CB: 64-67 mph. CB plays more like a slider. Significantly more HM than IVB. Tight 1/7 spin T1884, 1775 average rpm.
CH: 71-73 mph. Flashed a changeup with lower spin than fastball - pairs well with FB. T1590, 1547 average rpm.