@Jacobdiaz2400 
87.6
Velocity (max)
3/03/26
CLASS OF 2026
LHP
OF
Jacob
Diaz
Sparta (HS) • NJ
5' 11" • 155LBS
L/L • 18yr 1mo
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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Game Performance
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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.