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
Slider
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Slider
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Chase Rafferty, Vestavia Hills (AL), 2025 Positional Profile: LHP Body: 6-1, 187-pounds. Proportional, athletic stature. Delivery: Up tempo delivery, works quick between pitches. Arm Action: LH. Higher 3/4 slot. FB: T84, 80-83 mph. Late action to the arm side, late action T2139, 1936 average rpm. CB: 76-76 mph. Late depth, tight spin. T1454, 1454 average rpm. SL: 74-77 mph. Solid 1/6 shape. Sharp bite late. T2231, 2032 average rpm. CH: 74-77 mph. Late tumble to the gloveside, solid secondary offering. T2152, 1476 average rpm.
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Positional Profile: LHP
Body: 6-1, 187-pounds. Proportional, athletic stature.
Delivery: Up tempo delivery, works quick between pitches.
Arm Action: LH. Higher 3/4 slot.
FB: T84, 80-83 mph. Late action to the arm side, late action T2139, 1936 average rpm.
CB: 76-76 mph. Late depth, tight spin. T1454, 1454 average rpm.
SL: 74-77 mph. Solid 1/6 shape. Sharp bite late. T2231, 2032 average rpm.
CH: 74-77 mph. Late tumble to the gloveside, solid secondary offering. T2152, 1476 average rpm.